Home / 313,433.32-432,526.80-170,190.40

Finding the Fourth Proportional to 313,433.32, 432,526.80 and 170,190.40

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Solution

The fourth proportional to 313,433.32, 432,526.80 and 170,190.40 is: 234,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,433.32 : 432,526.80 = 170,190.40 : x
  2. Step 2: Convert to fraction form
    313,433.32/432,526.80 = 170,190.40/x
  3. Step 3: Cross multiply
    313,433.32x = 432,526.80 × 170,190.40
  4. Step 4: Simplify right side
    313,433.32x = 73,611,909,102.72
  5. Step 5: Solve for x
    x = 73,611,909,102.72/313,433.32
  6. Step 6: Final answer
    x = 234,856.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.