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Finding the Fourth Proportional to 451,880, 677,820 and 156,392

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Solution

The fourth proportional to 451,880, 677,820 and 156,392 is: 234,588

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,880 : 677,820 = 156,392 : x
  2. Step 2: Convert to fraction form
    451,880/677,820 = 156,392/x
  3. Step 3: Cross multiply
    451,880x = 677,820 × 156,392
  4. Step 4: Simplify right side
    451,880x = 106,005,625,440
  5. Step 5: Solve for x
    x = 106,005,625,440/451,880
  6. Step 6: Final answer
    x = 234,588

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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.