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Finding the Fourth Proportional to 251,951.02, 377,038.88 and 157,225.78

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Solution

The fourth proportional to 251,951.02, 377,038.88 and 157,225.78 is: 235,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,951.02 : 377,038.88 = 157,225.78 : x
  2. Step 2: Convert to fraction form
    251,951.02/377,038.88 = 157,225.78/x
  3. Step 3: Cross multiply
    251,951.02x = 377,038.88 × 157,225.78
  4. Step 4: Simplify right side
    251,951.02x = 59,280,231,036.64
  5. Step 5: Solve for x
    x = 59,280,231,036.64/251,951.02
  6. Step 6: Final answer
    x = 235,284.74

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1.5x scale

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.