Home / 315,011.40-472,517.10-196,913.40

Finding the Fourth Proportional to 315,011.40, 472,517.10 and 196,913.40

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Solution

The fourth proportional to 315,011.40, 472,517.10 and 196,913.40 is: 295,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,011.40 : 472,517.10 = 196,913.40 : x
  2. Step 2: Convert to fraction form
    315,011.40/472,517.10 = 196,913.40/x
  3. Step 3: Cross multiply
    315,011.40x = 472,517.10 × 196,913.40
  4. Step 4: Simplify right side
    315,011.40x = 93,044,948,719.14
  5. Step 5: Solve for x
    x = 93,044,948,719.14/315,011.40
  6. Step 6: Final answer
    x = 295,370.10

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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.