Home / 292,701.58-439,001.34-82,289.50

Finding the Fourth Proportional to 292,701.58, 439,001.34 and 82,289.50

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Solution

The fourth proportional to 292,701.58, 439,001.34 and 82,289.50 is: 123,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,701.58 : 439,001.34 = 82,289.50 : x
  2. Step 2: Convert to fraction form
    292,701.58/439,001.34 = 82,289.50/x
  3. Step 3: Cross multiply
    292,701.58x = 439,001.34 × 82,289.50
  4. Step 4: Simplify right side
    292,701.58x = 36,125,200,767.93
  5. Step 5: Solve for x
    x = 36,125,200,767.93/292,701.58
  6. Step 6: Final answer
    x = 123,419.90

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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.