Home / 374,737.32-517,145.70-204,971.45

Finding the Fourth Proportional to 374,737.32, 517,145.70 and 204,971.45

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Solution

The fourth proportional to 374,737.32, 517,145.70 and 204,971.45 is: 282,865.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,737.32 : 517,145.70 = 204,971.45 : x
  2. Step 2: Convert to fraction form
    374,737.32/517,145.70 = 204,971.45/x
  3. Step 3: Cross multiply
    374,737.32x = 517,145.70 × 204,971.45
  4. Step 4: Simplify right side
    374,737.32x = 106,000,101,404.54
  5. Step 5: Solve for x
    x = 106,000,101,404.54/374,737.32
  6. Step 6: Final answer
    x = 282,865.08

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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.