Home / 374,098.90-561,371.92-137,465.50

Finding the Fourth Proportional to 374,098.90, 561,371.92 and 137,465.50

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Solution

The fourth proportional to 374,098.90, 561,371.92 and 137,465.50 is: 206,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,098.90 : 561,371.92 = 137,465.50 : x
  2. Step 2: Convert to fraction form
    374,098.90/561,371.92 = 137,465.50/x
  3. Step 3: Cross multiply
    374,098.90x = 561,371.92 × 137,465.50
  4. Step 4: Simplify right side
    374,098.90x = 77,169,271,668.76
  5. Step 5: Solve for x
    x = 77,169,271,668.76/374,098.90
  6. Step 6: Final answer
    x = 206,280.40

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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.