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Finding the Fourth Proportional to 304,807.03, 420,640.47 and 173,982.04

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Solution

The fourth proportional to 304,807.03, 420,640.47 and 173,982.04 is: 240,099.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,807.03 : 420,640.47 = 173,982.04 : x
  2. Step 2: Convert to fraction form
    304,807.03/420,640.47 = 173,982.04/x
  3. Step 3: Cross multiply
    304,807.03x = 420,640.47 × 173,982.04
  4. Step 4: Simplify right side
    304,807.03x = 73,183,887,077.16
  5. Step 5: Solve for x
    x = 73,183,887,077.16/304,807.03
  6. Step 6: Final answer
    x = 240,099.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.