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Finding the Fourth Proportional to 273,730.59, 377,915.22 and 256,788.63

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Solution

The fourth proportional to 273,730.59, 377,915.22 and 256,788.63 is: 354,524.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,730.59 : 377,915.22 = 256,788.63 : x
  2. Step 2: Convert to fraction form
    273,730.59/377,915.22 = 256,788.63/x
  3. Step 3: Cross multiply
    273,730.59x = 377,915.22 × 256,788.63
  4. Step 4: Simplify right side
    273,730.59x = 97,044,331,599.95
  5. Step 5: Solve for x
    x = 97,044,331,599.95/273,730.59
  6. Step 6: Final answer
    x = 354,524.98

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1.5x scale

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.