Home / 489,933.32-734,899.98-134,950.88

Finding the Fourth Proportional to 489,933.32, 734,899.98 and 134,950.88

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Solution

The fourth proportional to 489,933.32, 734,899.98 and 134,950.88 is: 202,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,933.32 : 734,899.98 = 134,950.88 : x
  2. Step 2: Convert to fraction form
    489,933.32/734,899.98 = 134,950.88/x
  3. Step 3: Cross multiply
    489,933.32x = 734,899.98 × 134,950.88
  4. Step 4: Simplify right side
    489,933.32x = 99,175,399,012.98
  5. Step 5: Solve for x
    x = 99,175,399,012.98/489,933.32
  6. Step 6: Final answer
    x = 202,426.32

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.