Home / 346,868.16-520,290.36-147,059.88

Finding the Fourth Proportional to 346,868.16, 520,290.36 and 147,059.88

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Solution

The fourth proportional to 346,868.16, 520,290.36 and 147,059.88 is: 220,584.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,868.16 : 520,290.36 = 147,059.88 : x
  2. Step 2: Convert to fraction form
    346,868.16/520,290.36 = 147,059.88/x
  3. Step 3: Cross multiply
    346,868.16x = 520,290.36 × 147,059.88
  4. Step 4: Simplify right side
    346,868.16x = 76,513,837,906.76
  5. Step 5: Solve for x
    x = 76,513,837,906.76/346,868.16
  6. Step 6: Final answer
    x = 220,584.78

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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.