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Finding the Fourth Proportional to 284,603.60, 426,775.80 and 126,750.80

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Solution

The fourth proportional to 284,603.60, 426,775.80 and 126,750.80 is: 190,068.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,603.60 : 426,775.80 = 126,750.80 : x
  2. Step 2: Convert to fraction form
    284,603.60/426,775.80 = 126,750.80/x
  3. Step 3: Cross multiply
    284,603.60x = 426,775.80 × 126,750.80
  4. Step 4: Simplify right side
    284,603.60x = 54,094,174,070.64
  5. Step 5: Solve for x
    x = 54,094,174,070.64/284,603.60
  6. Step 6: Final answer
    x = 190,068.48

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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.