Home / 336,938.46-505,405.65-84,217.68

Finding the Fourth Proportional to 336,938.46, 505,405.65 and 84,217.68

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Solution

The fourth proportional to 336,938.46, 505,405.65 and 84,217.68 is: 126,326.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,938.46 : 505,405.65 = 84,217.68 : x
  2. Step 2: Convert to fraction form
    336,938.46/505,405.65 = 84,217.68/x
  3. Step 3: Cross multiply
    336,938.46x = 505,405.65 × 84,217.68
  4. Step 4: Simplify right side
    336,938.46x = 42,564,091,301.89
  5. Step 5: Solve for x
    x = 42,564,091,301.89/336,938.46
  6. Step 6: Final answer
    x = 126,326.01

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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.