Home / 226,459.84-312,385.36-140,379.52

Finding the Fourth Proportional to 226,459.84, 312,385.36 and 140,379.52

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Solution

The fourth proportional to 226,459.84, 312,385.36 and 140,379.52 is: 193,643.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,459.84 : 312,385.36 = 140,379.52 : x
  2. Step 2: Convert to fraction form
    226,459.84/312,385.36 = 140,379.52/x
  3. Step 3: Cross multiply
    226,459.84x = 312,385.36 × 140,379.52
  4. Step 4: Simplify right side
    226,459.84x = 43,852,506,891.83
  5. Step 5: Solve for x
    x = 43,852,506,891.83/226,459.84
  6. Step 6: Final answer
    x = 193,643.64

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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.