Home / 418,332.42-627,386.04-181,619.64

Finding the Fourth Proportional to 418,332.42, 627,386.04 and 181,619.64

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Solution

The fourth proportional to 418,332.42, 627,386.04 and 181,619.64 is: 272,380.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,332.42 : 627,386.04 = 181,619.64 : x
  2. Step 2: Convert to fraction form
    418,332.42/627,386.04 = 181,619.64/x
  3. Step 3: Cross multiply
    418,332.42x = 627,386.04 × 181,619.64
  4. Step 4: Simplify right side
    418,332.42x = 113,945,626,725.83
  5. Step 5: Solve for x
    x = 113,945,626,725.83/418,332.42
  6. Step 6: Final answer
    x = 272,380.58

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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.