Home / 306,942.12-423,566.10-170,968.68

Finding the Fourth Proportional to 306,942.12, 423,566.10 and 170,968.68

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Solution

The fourth proportional to 306,942.12, 423,566.10 and 170,968.68 is: 235,928.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,942.12 : 423,566.10 = 170,968.68 : x
  2. Step 2: Convert to fraction form
    306,942.12/423,566.10 = 170,968.68/x
  3. Step 3: Cross multiply
    306,942.12x = 423,566.10 × 170,968.68
  4. Step 4: Simplify right side
    306,942.12x = 72,416,537,009.75
  5. Step 5: Solve for x
    x = 72,416,537,009.75/306,942.12
  6. Step 6: Final answer
    x = 235,928.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.