Home / 437,130.40-655,501.20-200,545.60

Finding the Fourth Proportional to 437,130.40, 655,501.20 and 200,545.60

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Solution

The fourth proportional to 437,130.40, 655,501.20 and 200,545.60 is: 300,729.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,130.40 : 655,501.20 = 200,545.60 : x
  2. Step 2: Convert to fraction form
    437,130.40/655,501.20 = 200,545.60/x
  3. Step 3: Cross multiply
    437,130.40x = 655,501.20 × 200,545.60
  4. Step 4: Simplify right side
    437,130.40x = 131,457,881,454.72
  5. Step 5: Solve for x
    x = 131,457,881,454.72/437,130.40
  6. Step 6: Final answer
    x = 300,729.21

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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.