Home / 208,437.13-312,655.82-146,384.65

Finding the Fourth Proportional to 208,437.13, 312,655.82 and 146,384.65

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Solution

The fourth proportional to 208,437.13, 312,655.82 and 146,384.65 is: 219,577.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,437.13 : 312,655.82 = 146,384.65 : x
  2. Step 2: Convert to fraction form
    208,437.13/312,655.82 = 146,384.65/x
  3. Step 3: Cross multiply
    208,437.13x = 312,655.82 × 146,384.65
  4. Step 4: Simplify right side
    208,437.13x = 45,768,012,049.24
  5. Step 5: Solve for x
    x = 45,768,012,049.24/208,437.13
  6. Step 6: Final answer
    x = 219,577.06

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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.