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Finding the Fourth Proportional to 377,875.73, 521,505.34 and 282,216.35

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Solution

The fourth proportional to 377,875.73, 521,505.34 and 282,216.35 is: 389,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,875.73 : 521,505.34 = 282,216.35 : x
  2. Step 2: Convert to fraction form
    377,875.73/521,505.34 = 282,216.35/x
  3. Step 3: Cross multiply
    377,875.73x = 521,505.34 × 282,216.35
  4. Step 4: Simplify right side
    377,875.73x = 147,177,334,158.53
  5. Step 5: Solve for x
    x = 147,177,334,158.53/377,875.73
  6. Step 6: Final answer
    x = 389,486.07

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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.