Home / 257,090.96-354,440.04-180,507.44

Finding the Fourth Proportional to 257,090.96, 354,440.04 and 180,507.44

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Solution

The fourth proportional to 257,090.96, 354,440.04 and 180,507.44 is: 248,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,090.96 : 354,440.04 = 180,507.44 : x
  2. Step 2: Convert to fraction form
    257,090.96/354,440.04 = 180,507.44/x
  3. Step 3: Cross multiply
    257,090.96x = 354,440.04 × 180,507.44
  4. Step 4: Simplify right side
    257,090.96x = 63,979,064,253.90
  5. Step 5: Solve for x
    x = 63,979,064,253.90/257,090.96
  6. Step 6: Final answer
    x = 248,857.70

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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.