Home / 381,285.02-571,927.55-100,802.30

Finding the Fourth Proportional to 381,285.02, 571,927.55 and 100,802.30

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Solution

The fourth proportional to 381,285.02, 571,927.55 and 100,802.30 is: 151,203.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,285.02 : 571,927.55 = 100,802.30 : x
  2. Step 2: Convert to fraction form
    381,285.02/571,927.55 = 100,802.30/x
  3. Step 3: Cross multiply
    381,285.02x = 571,927.55 × 100,802.30
  4. Step 4: Simplify right side
    381,285.02x = 57,651,612,473.37
  5. Step 5: Solve for x
    x = 57,651,612,473.37/381,285.02
  6. Step 6: Final answer
    x = 151,203.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.