Home / 279,526.28-385,986.02-270,488.20

Finding the Fourth Proportional to 279,526.28, 385,986.02 and 270,488.20

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Solution

The fourth proportional to 279,526.28, 385,986.02 and 270,488.20 is: 373,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,526.28 : 385,986.02 = 270,488.20 : x
  2. Step 2: Convert to fraction form
    279,526.28/385,986.02 = 270,488.20/x
  3. Step 3: Cross multiply
    279,526.28x = 385,986.02 × 270,488.20
  4. Step 4: Simplify right side
    279,526.28x = 104,404,663,774.96
  5. Step 5: Solve for x
    x = 104,404,663,774.96/279,526.28
  6. Step 6: Final answer
    x = 373,505.72

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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.