Home / 476,432.16-714,643.92-210,192.90

Finding the Fourth Proportional to 476,432.16, 714,643.92 and 210,192.90

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Solution

The fourth proportional to 476,432.16, 714,643.92 and 210,192.90 is: 315,287.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,432.16 : 714,643.92 = 210,192.90 : x
  2. Step 2: Convert to fraction form
    476,432.16/714,643.92 = 210,192.90/x
  3. Step 3: Cross multiply
    476,432.16x = 714,643.92 × 210,192.90
  4. Step 4: Simplify right side
    476,432.16x = 150,213,078,012.17
  5. Step 5: Solve for x
    x = 150,213,078,012.17/476,432.16
  6. Step 6: Final answer
    x = 315,287.44

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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.