Home / 284,514.02-392,624.76-155,449.73

Finding the Fourth Proportional to 284,514.02, 392,624.76 and 155,449.73

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Solution

The fourth proportional to 284,514.02, 392,624.76 and 155,449.73 is: 214,518.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,514.02 : 392,624.76 = 155,449.73 : x
  2. Step 2: Convert to fraction form
    284,514.02/392,624.76 = 155,449.73/x
  3. Step 3: Cross multiply
    284,514.02x = 392,624.76 × 155,449.73
  4. Step 4: Simplify right side
    284,514.02x = 61,033,412,933.31
  5. Step 5: Solve for x
    x = 61,033,412,933.31/284,514.02
  6. Step 6: Final answer
    x = 214,518.12

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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.