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Finding the Fourth Proportional to 245,000.05, 367,500.08 and 78,804.85

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Solution

The fourth proportional to 245,000.05, 367,500.08 and 78,804.85 is: 118,207.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,000.05 : 367,500.08 = 78,804.85 : x
  2. Step 2: Convert to fraction form
    245,000.05/367,500.08 = 78,804.85/x
  3. Step 3: Cross multiply
    245,000.05x = 367,500.08 × 78,804.85
  4. Step 4: Simplify right side
    245,000.05x = 28,960,788,285.36
  5. Step 5: Solve for x
    x = 28,960,788,285.36/245,000.05
  6. Step 6: Final answer
    x = 118,207.28

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1.5x scale

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.