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Finding the Fourth Proportional to 307,778.64, 461,714.04 and 97,346.64

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Solution

The fourth proportional to 307,778.64, 461,714.04 and 97,346.64 is: 146,034.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,778.64 : 461,714.04 = 97,346.64 : x
  2. Step 2: Convert to fraction form
    307,778.64/461,714.04 = 97,346.64/x
  3. Step 3: Cross multiply
    307,778.64x = 461,714.04 × 97,346.64
  4. Step 4: Simplify right side
    307,778.64x = 44,946,310,434.83
  5. Step 5: Solve for x
    x = 44,946,310,434.83/307,778.64
  6. Step 6: Final answer
    x = 146,034.53

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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.