Home / 315,087.55-472,631.33-275,721.55

Finding the Fourth Proportional to 315,087.55, 472,631.33 and 275,721.55

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Solution

The fourth proportional to 315,087.55, 472,631.33 and 275,721.55 is: 413,582.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,087.55 : 472,631.33 = 275,721.55 : x
  2. Step 2: Convert to fraction form
    315,087.55/472,631.33 = 275,721.55/x
  3. Step 3: Cross multiply
    315,087.55x = 472,631.33 × 275,721.55
  4. Step 4: Simplify right side
    315,087.55x = 130,314,641,507.55
  5. Step 5: Solve for x
    x = 130,314,641,507.55/315,087.55
  6. Step 6: Final answer
    x = 413,582.33

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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.