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Finding the Fourth Proportional to 376,989.84, 565,567.92 and 124,260.24

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Solution

The fourth proportional to 376,989.84, 565,567.92 and 124,260.24 is: 186,417.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,989.84 : 565,567.92 = 124,260.24 : x
  2. Step 2: Convert to fraction form
    376,989.84/565,567.92 = 124,260.24/x
  3. Step 3: Cross multiply
    376,989.84x = 565,567.92 × 124,260.24
  4. Step 4: Simplify right side
    376,989.84x = 70,277,605,475.50
  5. Step 5: Solve for x
    x = 70,277,605,475.50/376,989.84
  6. Step 6: Final answer
    x = 186,417.77

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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.