Home / 253,261.16-379,881.18-66,268.52

Finding the Fourth Proportional to 253,261.16, 379,881.18 and 66,268.52

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Solution

The fourth proportional to 253,261.16, 379,881.18 and 66,268.52 is: 99,400.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,261.16 : 379,881.18 = 66,268.52 : x
  2. Step 2: Convert to fraction form
    253,261.16/379,881.18 = 66,268.52/x
  3. Step 3: Cross multiply
    253,261.16x = 379,881.18 × 66,268.52
  4. Step 4: Simplify right side
    253,261.16x = 25,174,163,574.45
  5. Step 5: Solve for x
    x = 25,174,163,574.45/253,261.16
  6. Step 6: Final answer
    x = 99,400.02

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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.