Home / 292,670.13-439,080.94-90,261.76

Finding the Fourth Proportional to 292,670.13, 439,080.94 and 90,261.76

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Solution

The fourth proportional to 292,670.13, 439,080.94 and 90,261.76 is: 135,416.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,670.13 : 439,080.94 = 90,261.76 : x
  2. Step 2: Convert to fraction form
    292,670.13/439,080.94 = 90,261.76/x
  3. Step 3: Cross multiply
    292,670.13x = 439,080.94 × 90,261.76
  4. Step 4: Simplify right side
    292,670.13x = 39,632,218,426.85
  5. Step 5: Solve for x
    x = 39,632,218,426.85/292,670.13
  6. Step 6: Final answer
    x = 135,416.00

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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.