Home / 424,541.07-585,871.52-243,249.30

Finding the Fourth Proportional to 424,541.07, 585,871.52 and 243,249.30

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Solution

The fourth proportional to 424,541.07, 585,871.52 and 243,249.30 is: 335,686.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,541.07 : 585,871.52 = 243,249.30 : x
  2. Step 2: Convert to fraction form
    424,541.07/585,871.52 = 243,249.30/x
  3. Step 3: Cross multiply
    424,541.07x = 585,871.52 × 243,249.30
  4. Step 4: Simplify right side
    424,541.07x = 142,512,835,913.69
  5. Step 5: Solve for x
    x = 142,512,835,913.69/424,541.07
  6. Step 6: Final answer
    x = 335,686.81

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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.