Home / 307,787.32-424,923.19-234,615.77

Finding the Fourth Proportional to 307,787.32, 424,923.19 and 234,615.77

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Solution

The fourth proportional to 307,787.32, 424,923.19 and 234,615.77 is: 323,904.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,787.32 : 424,923.19 = 234,615.77 : x
  2. Step 2: Convert to fraction form
    307,787.32/424,923.19 = 234,615.77/x
  3. Step 3: Cross multiply
    307,787.32x = 424,923.19 × 234,615.77
  4. Step 4: Simplify right side
    307,787.32x = 99,693,678,701.55
  5. Step 5: Solve for x
    x = 99,693,678,701.55/307,787.32
  6. Step 6: Final answer
    x = 323,904.44

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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.