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Finding the Fourth Proportional to 426,360.80, 588,362.48 and 235,370.09

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Solution

The fourth proportional to 426,360.80, 588,362.48 and 235,370.09 is: 324,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,360.80 : 588,362.48 = 235,370.09 : x
  2. Step 2: Convert to fraction form
    426,360.80/588,362.48 = 235,370.09/x
  3. Step 3: Cross multiply
    426,360.80x = 588,362.48 × 235,370.09
  4. Step 4: Simplify right side
    426,360.80x = 138,482,929,870.22
  5. Step 5: Solve for x
    x = 138,482,929,870.22/426,360.80
  6. Step 6: Final answer
    x = 324,802.21

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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.