Home / 374,541.04-561,867.50-137,865.72

Finding the Fourth Proportional to 374,541.04, 561,867.50 and 137,865.72

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Solution

The fourth proportional to 374,541.04, 561,867.50 and 137,865.72 is: 206,819.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,541.04 : 561,867.50 = 137,865.72 : x
  2. Step 2: Convert to fraction form
    374,541.04/561,867.50 = 137,865.72/x
  3. Step 3: Cross multiply
    374,541.04x = 561,867.50 × 137,865.72
  4. Step 4: Simplify right side
    374,541.04x = 77,462,267,432.10
  5. Step 5: Solve for x
    x = 77,462,267,432.10/374,541.04
  6. Step 6: Final answer
    x = 206,819.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.