Home / 257,988.45-386,762.13-97,974.81

Finding the Fourth Proportional to 257,988.45, 386,762.13 and 97,974.81

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Solution

The fourth proportional to 257,988.45, 386,762.13 and 97,974.81 is: 146,878.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,988.45 : 386,762.13 = 97,974.81 : x
  2. Step 2: Convert to fraction form
    257,988.45/386,762.13 = 97,974.81/x
  3. Step 3: Cross multiply
    257,988.45x = 386,762.13 × 97,974.81
  4. Step 4: Simplify right side
    257,988.45x = 37,892,946,201.95
  5. Step 5: Solve for x
    x = 37,892,946,201.95/257,988.45
  6. Step 6: Final answer
    x = 146,878.46

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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.