Home / 309,613.05-464,038.41-147,592.35

Finding the Fourth Proportional to 309,613.05, 464,038.41 and 147,592.35

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Solution

The fourth proportional to 309,613.05, 464,038.41 and 147,592.35 is: 221,206.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,613.05 : 464,038.41 = 147,592.35 : x
  2. Step 2: Convert to fraction form
    309,613.05/464,038.41 = 147,592.35/x
  3. Step 3: Cross multiply
    309,613.05x = 464,038.41 × 147,592.35
  4. Step 4: Simplify right side
    309,613.05x = 68,488,519,422.16
  5. Step 5: Solve for x
    x = 68,488,519,422.16/309,613.05
  6. Step 6: Final answer
    x = 221,206.82

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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.