Home / 355,112.64-532,717.18-115,148.30

Finding the Fourth Proportional to 355,112.64, 532,717.18 and 115,148.30

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Solution

The fourth proportional to 355,112.64, 532,717.18 and 115,148.30 is: 172,738.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,112.64 : 532,717.18 = 115,148.30 : x
  2. Step 2: Convert to fraction form
    355,112.64/532,717.18 = 115,148.30/x
  3. Step 3: Cross multiply
    355,112.64x = 532,717.18 × 115,148.30
  4. Step 4: Simplify right side
    355,112.64x = 61,341,474,706.34
  5. Step 5: Solve for x
    x = 61,341,474,706.34/355,112.64
  6. Step 6: Final answer
    x = 172,738.08

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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.