Home / 245,027.70-367,541.55-78,815.70

Finding the Fourth Proportional to 245,027.70, 367,541.55 and 78,815.70

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Solution

The fourth proportional to 245,027.70, 367,541.55 and 78,815.70 is: 118,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,027.70 : 367,541.55 = 78,815.70 : x
  2. Step 2: Convert to fraction form
    245,027.70/367,541.55 = 78,815.70/x
  3. Step 3: Cross multiply
    245,027.70x = 367,541.55 × 78,815.70
  4. Step 4: Simplify right side
    245,027.70x = 28,968,044,542.34
  5. Step 5: Solve for x
    x = 28,968,044,542.34/245,027.70
  6. Step 6: Final answer
    x = 118,223.55

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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.