Home / 436,617.05-602,543.24-240,389.51

Finding the Fourth Proportional to 436,617.05, 602,543.24 and 240,389.51

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Solution

The fourth proportional to 436,617.05, 602,543.24 and 240,389.51 is: 331,743.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,617.05 : 602,543.24 = 240,389.51 : x
  2. Step 2: Convert to fraction form
    436,617.05/602,543.24 = 240,389.51/x
  3. Step 3: Cross multiply
    436,617.05x = 602,543.24 × 240,389.51
  4. Step 4: Simplify right side
    436,617.05x = 144,845,070,904.21
  5. Step 5: Solve for x
    x = 144,845,070,904.21/436,617.05
  6. Step 6: Final answer
    x = 331,743.97

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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.