Home / 304,837.02-457,219.08-80,214.71

Finding the Fourth Proportional to 304,837.02, 457,219.08 and 80,214.71

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Solution

The fourth proportional to 304,837.02, 457,219.08 and 80,214.71 is: 120,312.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,837.02 : 457,219.08 = 80,214.71 : x
  2. Step 2: Convert to fraction form
    304,837.02/457,219.08 = 80,214.71/x
  3. Step 3: Cross multiply
    304,837.02x = 457,219.08 × 80,214.71
  4. Step 4: Simplify right side
    304,837.02x = 36,675,693,622.57
  5. Step 5: Solve for x
    x = 36,675,693,622.57/304,837.02
  6. Step 6: Final answer
    x = 120,312.47

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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.