Home / 314,022.10-471,033.15-279,615.70

Finding the Fourth Proportional to 314,022.10, 471,033.15 and 279,615.70

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Solution

The fourth proportional to 314,022.10, 471,033.15 and 279,615.70 is: 419,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,022.10 : 471,033.15 = 279,615.70 : x
  2. Step 2: Convert to fraction form
    314,022.10/471,033.15 = 279,615.70/x
  3. Step 3: Cross multiply
    314,022.10x = 471,033.15 × 279,615.70
  4. Step 4: Simplify right side
    314,022.10x = 131,708,263,960.46
  5. Step 5: Solve for x
    x = 131,708,263,960.46/314,022.10
  6. Step 6: Final answer
    x = 419,423.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.