Home / 293,050.20-439,575.30-71,434.20

Finding the Fourth Proportional to 293,050.20, 439,575.30 and 71,434.20

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Solution

The fourth proportional to 293,050.20, 439,575.30 and 71,434.20 is: 107,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,050.20 : 439,575.30 = 71,434.20 : x
  2. Step 2: Convert to fraction form
    293,050.20/439,575.30 = 71,434.20/x
  3. Step 3: Cross multiply
    293,050.20x = 439,575.30 × 71,434.20
  4. Step 4: Simplify right side
    293,050.20x = 31,400,709,895.26
  5. Step 5: Solve for x
    x = 31,400,709,895.26/293,050.20
  6. Step 6: Final answer
    x = 107,151.30

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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.