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Finding the Fourth Proportional to 260,903.95, 359,888.31 and 172,498.85

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Solution

The fourth proportional to 260,903.95, 359,888.31 and 172,498.85 is: 237,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,903.95 : 359,888.31 = 172,498.85 : x
  2. Step 2: Convert to fraction form
    260,903.95/359,888.31 = 172,498.85/x
  3. Step 3: Cross multiply
    260,903.95x = 359,888.31 × 172,498.85
  4. Step 4: Simplify right side
    260,903.95x = 62,080,319,603.44
  5. Step 5: Solve for x
    x = 62,080,319,603.44/260,903.95
  6. Step 6: Final answer
    x = 237,943.20

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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.