Home / 286,740.52-430,053.04-272,514.12

Finding the Fourth Proportional to 286,740.52, 430,053.04 and 272,514.12

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Solution

The fourth proportional to 286,740.52, 430,053.04 and 272,514.12 is: 408,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,740.52 : 430,053.04 = 272,514.12 : x
  2. Step 2: Convert to fraction form
    286,740.52/430,053.04 = 272,514.12/x
  3. Step 3: Cross multiply
    286,740.52x = 430,053.04 × 272,514.12
  4. Step 4: Simplify right side
    286,740.52x = 117,195,525,748.93
  5. Step 5: Solve for x
    x = 117,195,525,748.93/286,740.52
  6. Step 6: Final answer
    x = 408,716.30

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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.