Home / 427,204.24-589,542-243,437.55

Finding the Fourth Proportional to 427,204.24, 589,542 and 243,437.55

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Solution

The fourth proportional to 427,204.24, 589,542 and 243,437.55 is: 335,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,204.24 : 589,542 = 243,437.55 : x
  2. Step 2: Convert to fraction form
    427,204.24/589,542 = 243,437.55/x
  3. Step 3: Cross multiply
    427,204.24x = 589,542 × 243,437.55
  4. Step 4: Simplify right side
    427,204.24x = 143,516,660,102.10
  5. Step 5: Solve for x
    x = 143,516,660,102.10/427,204.24
  6. Step 6: Final answer
    x = 335,943.91

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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.