Home / 296,780.30-409,618.62-272,869.10

Finding the Fourth Proportional to 296,780.30, 409,618.62 and 272,869.10

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Solution

The fourth proportional to 296,780.30, 409,618.62 and 272,869.10 is: 376,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,780.30 : 409,618.62 = 272,869.10 : x
  2. Step 2: Convert to fraction form
    296,780.30/409,618.62 = 272,869.10/x
  3. Step 3: Cross multiply
    296,780.30x = 409,618.62 × 272,869.10
  4. Step 4: Simplify right side
    296,780.30x = 111,772,264,182.64
  5. Step 5: Solve for x
    x = 111,772,264,182.64/296,780.30
  6. Step 6: Final answer
    x = 376,616.18

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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.