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Finding the Fourth Proportional to 433,505.12, 598,223.54 and 239,901.17

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Solution

The fourth proportional to 433,505.12, 598,223.54 and 239,901.17 is: 331,056.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,505.12 : 598,223.54 = 239,901.17 : x
  2. Step 2: Convert to fraction form
    433,505.12/598,223.54 = 239,901.17/x
  3. Step 3: Cross multiply
    433,505.12x = 598,223.54 × 239,901.17
  4. Step 4: Simplify right side
    433,505.12x = 143,514,529,262.85
  5. Step 5: Solve for x
    x = 143,514,529,262.85/433,505.12
  6. Step 6: Final answer
    x = 331,056.14

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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.