Home / 245,277.14-338,423.33-143,244.68

Finding the Fourth Proportional to 245,277.14, 338,423.33 and 143,244.68

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Solution

The fourth proportional to 245,277.14, 338,423.33 and 143,244.68 is: 197,643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,277.14 : 338,423.33 = 143,244.68 : x
  2. Step 2: Convert to fraction form
    245,277.14/338,423.33 = 143,244.68/x
  3. Step 3: Cross multiply
    245,277.14x = 338,423.33 × 143,244.68
  4. Step 4: Simplify right side
    245,277.14x = 48,477,340,276.38
  5. Step 5: Solve for x
    x = 48,477,340,276.38/245,277.14
  6. Step 6: Final answer
    x = 197,643.13

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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.