Home / 340,968.15-511,472.70-104,312.88

Finding the Fourth Proportional to 340,968.15, 511,472.70 and 104,312.88

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Solution

The fourth proportional to 340,968.15, 511,472.70 and 104,312.88 is: 156,475.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,968.15 : 511,472.70 = 104,312.88 : x
  2. Step 2: Convert to fraction form
    340,968.15/511,472.70 = 104,312.88/x
  3. Step 3: Cross multiply
    340,968.15x = 511,472.70 × 104,312.88
  4. Step 4: Simplify right side
    340,968.15x = 53,353,190,378.38
  5. Step 5: Solve for x
    x = 53,353,190,378.38/340,968.15
  6. Step 6: Final answer
    x = 156,475.58

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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.