Home / 354,330.20-531,495.30-349,081.40

Finding the Fourth Proportional to 354,330.20, 531,495.30 and 349,081.40

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Solution

The fourth proportional to 354,330.20, 531,495.30 and 349,081.40 is: 523,622.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,330.20 : 531,495.30 = 349,081.40 : x
  2. Step 2: Convert to fraction form
    354,330.20/531,495.30 = 349,081.40/x
  3. Step 3: Cross multiply
    354,330.20x = 531,495.30 × 349,081.40
  4. Step 4: Simplify right side
    354,330.20x = 185,535,123,417.42
  5. Step 5: Solve for x
    x = 185,535,123,417.42/354,330.20
  6. Step 6: Final answer
    x = 523,622.10

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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.