Home / 296,579.02-409,278.42-160,612.55

Finding the Fourth Proportional to 296,579.02, 409,278.42 and 160,612.55

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Solution

The fourth proportional to 296,579.02, 409,278.42 and 160,612.55 is: 221,644.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,579.02 : 409,278.42 = 160,612.55 : x
  2. Step 2: Convert to fraction form
    296,579.02/409,278.42 = 160,612.55/x
  3. Step 3: Cross multiply
    296,579.02x = 409,278.42 × 160,612.55
  4. Step 4: Simplify right side
    296,579.02x = 65,735,250,696.17
  5. Step 5: Solve for x
    x = 65,735,250,696.17/296,579.02
  6. Step 6: Final answer
    x = 221,644.98

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1.5x scale

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.