Home / 243,014.46-364,534.65-76,789.50

Finding the Fourth Proportional to 243,014.46, 364,534.65 and 76,789.50

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Solution

The fourth proportional to 243,014.46, 364,534.65 and 76,789.50 is: 115,188.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,014.46 : 364,534.65 = 76,789.50 : x
  2. Step 2: Convert to fraction form
    243,014.46/364,534.65 = 76,789.50/x
  3. Step 3: Cross multiply
    243,014.46x = 364,534.65 × 76,789.50
  4. Step 4: Simplify right side
    243,014.46x = 27,992,433,506.18
  5. Step 5: Solve for x
    x = 27,992,433,506.18/243,014.46
  6. Step 6: Final answer
    x = 115,188.35

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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.