Home / 291,262.02-436,333.26-178,613.76

Finding the Fourth Proportional to 291,262.02, 436,333.26 and 178,613.76

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Solution

The fourth proportional to 291,262.02, 436,333.26 and 178,613.76 is: 267,577.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,262.02 : 436,333.26 = 178,613.76 : x
  2. Step 2: Convert to fraction form
    291,262.02/436,333.26 = 178,613.76/x
  3. Step 3: Cross multiply
    291,262.02x = 436,333.26 × 178,613.76
  4. Step 4: Simplify right side
    291,262.02x = 77,935,124,181.66
  5. Step 5: Solve for x
    x = 77,935,124,181.66/291,262.02
  6. Step 6: Final answer
    x = 267,577.37

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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.