Home / 311,030.40-466,545.60-133,507.20

Finding the Fourth Proportional to 311,030.40, 466,545.60 and 133,507.20

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Solution

The fourth proportional to 311,030.40, 466,545.60 and 133,507.20 is: 200,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,030.40 : 466,545.60 = 133,507.20 : x
  2. Step 2: Convert to fraction form
    311,030.40/466,545.60 = 133,507.20/x
  3. Step 3: Cross multiply
    311,030.40x = 466,545.60 × 133,507.20
  4. Step 4: Simplify right side
    311,030.40x = 62,287,196,728.32
  5. Step 5: Solve for x
    x = 62,287,196,728.32/311,030.40
  6. Step 6: Final answer
    x = 200,260.80

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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.