Home / 340,927.20-511,308.79-104,271.93

Finding the Fourth Proportional to 340,927.20, 511,308.79 and 104,271.93

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Solution

The fourth proportional to 340,927.20, 511,308.79 and 104,271.93 is: 156,382.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,927.20 : 511,308.79 = 104,271.93 : x
  2. Step 2: Convert to fraction form
    340,927.20/511,308.79 = 104,271.93/x
  3. Step 3: Cross multiply
    340,927.20x = 511,308.79 × 104,271.93
  4. Step 4: Simplify right side
    340,927.20x = 53,315,154,359.26
  5. Step 5: Solve for x
    x = 53,315,154,359.26/340,927.20
  6. Step 6: Final answer
    x = 156,382.81

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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.