Home / 346,577.28-519,865.92-146,893.20

Finding the Fourth Proportional to 346,577.28, 519,865.92 and 146,893.20

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Solution

The fourth proportional to 346,577.28, 519,865.92 and 146,893.20 is: 220,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,577.28 : 519,865.92 = 146,893.20 : x
  2. Step 2: Convert to fraction form
    346,577.28/519,865.92 = 146,893.20/x
  3. Step 3: Cross multiply
    346,577.28x = 519,865.92 × 146,893.20
  4. Step 4: Simplify right side
    346,577.28x = 76,364,768,559.74
  5. Step 5: Solve for x
    x = 76,364,768,559.74/346,577.28
  6. Step 6: Final answer
    x = 220,339.80

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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.