Home / 358,977.60-538,466.40-122,263.20

Finding the Fourth Proportional to 358,977.60, 538,466.40 and 122,263.20

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Solution

The fourth proportional to 358,977.60, 538,466.40 and 122,263.20 is: 183,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,977.60 : 538,466.40 = 122,263.20 : x
  2. Step 2: Convert to fraction form
    358,977.60/538,466.40 = 122,263.20/x
  3. Step 3: Cross multiply
    358,977.60x = 538,466.40 × 122,263.20
  4. Step 4: Simplify right side
    358,977.60x = 65,834,625,156.48
  5. Step 5: Solve for x
    x = 65,834,625,156.48/358,977.60
  6. Step 6: Final answer
    x = 183,394.80

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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.