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Finding the Fourth Proportional to 283,308.83, 425,009.40 and 83,649.40

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Solution

The fourth proportional to 283,308.83, 425,009.40 and 83,649.40 is: 125,487.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,308.83 : 425,009.40 = 83,649.40 : x
  2. Step 2: Convert to fraction form
    283,308.83/425,009.40 = 83,649.40/x
  3. Step 3: Cross multiply
    283,308.83x = 425,009.40 × 83,649.40
  4. Step 4: Simplify right side
    283,308.83x = 35,551,779,179.31
  5. Step 5: Solve for x
    x = 35,551,779,179.31/283,308.83
  6. Step 6: Final answer
    x = 125,487.72

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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.