Home / 257,820.17-355,857.24-176,181.49

Finding the Fourth Proportional to 257,820.17, 355,857.24 and 176,181.49

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Solution

The fourth proportional to 257,820.17, 355,857.24 and 176,181.49 is: 243,175.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,820.17 : 355,857.24 = 176,181.49 : x
  2. Step 2: Convert to fraction form
    257,820.17/355,857.24 = 176,181.49/x
  3. Step 3: Cross multiply
    257,820.17x = 355,857.24 × 176,181.49
  4. Step 4: Simplify right side
    257,820.17x = 62,695,457,880.84
  5. Step 5: Solve for x
    x = 62,695,457,880.84/257,820.17
  6. Step 6: Final answer
    x = 243,175.15

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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.