Home / 282,004.74-389,167.20-154,680.84

Finding the Fourth Proportional to 282,004.74, 389,167.20 and 154,680.84

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Solution

The fourth proportional to 282,004.74, 389,167.20 and 154,680.84 is: 213,459.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,004.74 : 389,167.20 = 154,680.84 : x
  2. Step 2: Convert to fraction form
    282,004.74/389,167.20 = 154,680.84/x
  3. Step 3: Cross multiply
    282,004.74x = 389,167.20 × 154,680.84
  4. Step 4: Simplify right side
    282,004.74x = 60,196,709,396.45
  5. Step 5: Solve for x
    x = 60,196,709,396.45/282,004.74
  6. Step 6: Final answer
    x = 213,459.92

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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.