Home / 281,307.24-421,959.60-115,095.24

Finding the Fourth Proportional to 281,307.24, 421,959.60 and 115,095.24

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Solution

The fourth proportional to 281,307.24, 421,959.60 and 115,095.24 is: 172,642.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,307.24 : 421,959.60 = 115,095.24 : x
  2. Step 2: Convert to fraction form
    281,307.24/421,959.60 = 115,095.24/x
  3. Step 3: Cross multiply
    281,307.24x = 421,959.60 × 115,095.24
  4. Step 4: Simplify right side
    281,307.24x = 48,565,541,432.30
  5. Step 5: Solve for x
    x = 48,565,541,432.30/281,307.24
  6. Step 6: Final answer
    x = 172,642.34

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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.