Home / 346,278.98-519,352.85-121,586.60

Finding the Fourth Proportional to 346,278.98, 519,352.85 and 121,586.60

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Solution

The fourth proportional to 346,278.98, 519,352.85 and 121,586.60 is: 182,356.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,278.98 : 519,352.85 = 121,586.60 : x
  2. Step 2: Convert to fraction form
    346,278.98/519,352.85 = 121,586.60/x
  3. Step 3: Cross multiply
    346,278.98x = 519,352.85 × 121,586.60
  4. Step 4: Simplify right side
    346,278.98x = 63,146,344,939.01
  5. Step 5: Solve for x
    x = 63,146,344,939.01/346,278.98
  6. Step 6: Final answer
    x = 182,356.86

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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.