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Finding the Fourth Proportional to 376,185.74, 564,472.09 and 249,913.22

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Solution

The fourth proportional to 376,185.74, 564,472.09 and 249,913.22 is: 374,998.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,185.74 : 564,472.09 = 249,913.22 : x
  2. Step 2: Convert to fraction form
    376,185.74/564,472.09 = 249,913.22/x
  3. Step 3: Cross multiply
    376,185.74x = 564,472.09 × 249,913.22
  4. Step 4: Simplify right side
    376,185.74x = 141,069,035,102.06
  5. Step 5: Solve for x
    x = 141,069,035,102.06/376,185.74
  6. Step 6: Final answer
    x = 374,998.36

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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.