Home / 306,704.04-423,277.18-170,763.78

Finding the Fourth Proportional to 306,704.04, 423,277.18 and 170,763.78

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Solution

The fourth proportional to 306,704.04, 423,277.18 and 170,763.78 is: 235,668.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,704.04 : 423,277.18 = 170,763.78 : x
  2. Step 2: Convert to fraction form
    306,704.04/423,277.18 = 170,763.78/x
  3. Step 3: Cross multiply
    306,704.04x = 423,277.18 × 170,763.78
  4. Step 4: Simplify right side
    306,704.04x = 72,280,411,244.54
  5. Step 5: Solve for x
    x = 72,280,411,244.54/306,704.04
  6. Step 6: Final answer
    x = 235,668.27

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1.5x scale

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.