Home / 426,117.90-588,025.50-235,128.80

Finding the Fourth Proportional to 426,117.90, 588,025.50 and 235,128.80

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Solution

The fourth proportional to 426,117.90, 588,025.50 and 235,128.80 is: 324,468.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,117.90 : 588,025.50 = 235,128.80 : x
  2. Step 2: Convert to fraction form
    426,117.90/588,025.50 = 235,128.80/x
  3. Step 3: Cross multiply
    426,117.90x = 588,025.50 × 235,128.80
  4. Step 4: Simplify right side
    426,117.90x = 138,261,730,184.40
  5. Step 5: Solve for x
    x = 138,261,730,184.40/426,117.90
  6. Step 6: Final answer
    x = 324,468.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.