Home / 304,531.20-456,528.32-117,414.40

Finding the Fourth Proportional to 304,531.20, 456,528.32 and 117,414.40

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Solution

The fourth proportional to 304,531.20, 456,528.32 and 117,414.40 is: 176,018.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,531.20 : 456,528.32 = 117,414.40 : x
  2. Step 2: Convert to fraction form
    304,531.20/456,528.32 = 117,414.40/x
  3. Step 3: Cross multiply
    304,531.20x = 456,528.32 × 117,414.40
  4. Step 4: Simplify right side
    304,531.20x = 53,602,998,775.81
  5. Step 5: Solve for x
    x = 53,602,998,775.81/304,531.20
  6. Step 6: Final answer
    x = 176,018.09

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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.