Home / 257,266.21-385,693.23-122,262.52

Finding the Fourth Proportional to 257,266.21, 385,693.23 and 122,262.52

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Solution

The fourth proportional to 257,266.21, 385,693.23 and 122,262.52 is: 183,295.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,266.21 : 385,693.23 = 122,262.52 : x
  2. Step 2: Convert to fraction form
    257,266.21/385,693.23 = 122,262.52/x
  3. Step 3: Cross multiply
    257,266.21x = 385,693.23 × 122,262.52
  4. Step 4: Simplify right side
    257,266.21x = 47,155,826,246.74
  5. Step 5: Solve for x
    x = 47,155,826,246.74/257,266.21
  6. Step 6: Final answer
    x = 183,295.84

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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.