Home / 340,921.12-511,401.84-104,280.16

Finding the Fourth Proportional to 340,921.12, 511,401.84 and 104,280.16

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Solution

The fourth proportional to 340,921.12, 511,401.84 and 104,280.16 is: 156,426.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,921.12 : 511,401.84 = 104,280.16 : x
  2. Step 2: Convert to fraction form
    340,921.12/511,401.84 = 104,280.16/x
  3. Step 3: Cross multiply
    340,921.12x = 511,401.84 × 104,280.16
  4. Step 4: Simplify right side
    340,921.12x = 53,329,065,699.49
  5. Step 5: Solve for x
    x = 53,329,065,699.49/340,921.12
  6. Step 6: Final answer
    x = 156,426.41

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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.