Home / 340,956.06-511,415.65-104,298.76

Finding the Fourth Proportional to 340,956.06, 511,415.65 and 104,298.76

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Solution

The fourth proportional to 340,956.06, 511,415.65 and 104,298.76 is: 156,442.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,956.06 : 511,415.65 = 104,298.76 : x
  2. Step 2: Convert to fraction form
    340,956.06/511,415.65 = 104,298.76/x
  3. Step 3: Cross multiply
    340,956.06x = 511,415.65 × 104,298.76
  4. Step 4: Simplify right side
    340,956.06x = 53,340,018,139.59
  5. Step 5: Solve for x
    x = 53,340,018,139.59/340,956.06
  6. Step 6: Final answer
    x = 156,442.50

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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.