Home / 275,312.42-379,931.28-160,669.88

Finding the Fourth Proportional to 275,312.42, 379,931.28 and 160,669.88

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Solution

The fourth proportional to 275,312.42, 379,931.28 and 160,669.88 is: 221,724.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,312.42 : 379,931.28 = 160,669.88 : x
  2. Step 2: Convert to fraction form
    275,312.42/379,931.28 = 160,669.88/x
  3. Step 3: Cross multiply
    275,312.42x = 379,931.28 × 160,669.88
  4. Step 4: Simplify right side
    275,312.42x = 61,043,513,165.85
  5. Step 5: Solve for x
    x = 61,043,513,165.85/275,312.42
  6. Step 6: Final answer
    x = 221,724.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.