Home / 257,066.76-385,097.94-177,090.60

Finding the Fourth Proportional to 257,066.76, 385,097.94 and 177,090.60

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Solution

The fourth proportional to 257,066.76, 385,097.94 and 177,090.60 is: 265,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,066.76 : 385,097.94 = 177,090.60 : x
  2. Step 2: Convert to fraction form
    257,066.76/385,097.94 = 177,090.60/x
  3. Step 3: Cross multiply
    257,066.76x = 385,097.94 × 177,090.60
  4. Step 4: Simplify right side
    257,066.76x = 68,197,225,253.36
  5. Step 5: Solve for x
    x = 68,197,225,253.36/257,066.76
  6. Step 6: Final answer
    x = 265,289.94

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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.