Home / 364,031.20-546,046.80-325,977.40

Finding the Fourth Proportional to 364,031.20, 546,046.80 and 325,977.40

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Solution

The fourth proportional to 364,031.20, 546,046.80 and 325,977.40 is: 488,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,031.20 : 546,046.80 = 325,977.40 : x
  2. Step 2: Convert to fraction form
    364,031.20/546,046.80 = 325,977.40/x
  3. Step 3: Cross multiply
    364,031.20x = 546,046.80 × 325,977.40
  4. Step 4: Simplify right side
    364,031.20x = 177,998,916,142.32
  5. Step 5: Solve for x
    x = 177,998,916,142.32/364,031.20
  6. Step 6: Final answer
    x = 488,966.10

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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.