Home / 306,567.20-423,137.04-204,597.92

Finding the Fourth Proportional to 306,567.20, 423,137.04 and 204,597.92

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Solution

The fourth proportional to 306,567.20, 423,137.04 and 204,597.92 is: 282,394.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,567.20 : 423,137.04 = 204,597.92 : x
  2. Step 2: Convert to fraction form
    306,567.20/423,137.04 = 204,597.92/x
  3. Step 3: Cross multiply
    306,567.20x = 423,137.04 × 204,597.92
  4. Step 4: Simplify right side
    306,567.20x = 86,572,958,258.96
  5. Step 5: Solve for x
    x = 86,572,958,258.96/306,567.20
  6. Step 6: Final answer
    x = 282,394.72

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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.