Home / 280,245.02-386,747.45-152,927.60

Finding the Fourth Proportional to 280,245.02, 386,747.45 and 152,927.60

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Solution

The fourth proportional to 280,245.02, 386,747.45 and 152,927.60 is: 211,045.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,245.02 : 386,747.45 = 152,927.60 : x
  2. Step 2: Convert to fraction form
    280,245.02/386,747.45 = 152,927.60/x
  3. Step 3: Cross multiply
    280,245.02x = 386,747.45 × 152,927.60
  4. Step 4: Simplify right side
    280,245.02x = 59,144,359,334.62
  5. Step 5: Solve for x
    x = 59,144,359,334.62/280,245.02
  6. Step 6: Final answer
    x = 211,045.18

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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.