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Finding the Fourth Proportional to 436,706.13, 602,666.24 and 245,726.31

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Solution

The fourth proportional to 436,706.13, 602,666.24 and 245,726.31 is: 339,108.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,706.13 : 602,666.24 = 245,726.31 : x
  2. Step 2: Convert to fraction form
    436,706.13/602,666.24 = 245,726.31/x
  3. Step 3: Cross multiply
    436,706.13x = 602,666.24 × 245,726.31
  4. Step 4: Simplify right side
    436,706.13x = 148,090,951,316.77
  5. Step 5: Solve for x
    x = 148,090,951,316.77/436,706.13
  6. Step 6: Final answer
    x = 339,108.94

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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.