Home / 340,966.87-511,368.18-104,311.60

Finding the Fourth Proportional to 340,966.87, 511,368.18 and 104,311.60

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Solution

The fourth proportional to 340,966.87, 511,368.18 and 104,311.60 is: 156,442.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,966.87 : 511,368.18 = 104,311.60 : x
  2. Step 2: Convert to fraction form
    340,966.87/511,368.18 = 104,311.60/x
  3. Step 3: Cross multiply
    340,966.87x = 511,368.18 × 104,311.60
  4. Step 4: Simplify right side
    340,966.87x = 53,341,633,044.89
  5. Step 5: Solve for x
    x = 53,341,633,044.89/340,966.87
  6. Step 6: Final answer
    x = 156,442.28

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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.