Home / 318,109.32-477,242.52-158,261.16

Finding the Fourth Proportional to 318,109.32, 477,242.52 and 158,261.16

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Solution

The fourth proportional to 318,109.32, 477,242.52 and 158,261.16 is: 237,430.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,109.32 : 477,242.52 = 158,261.16 : x
  2. Step 2: Convert to fraction form
    318,109.32/477,242.52 = 158,261.16/x
  3. Step 3: Cross multiply
    318,109.32x = 477,242.52 × 158,261.16
  4. Step 4: Simplify right side
    318,109.32x = 75,528,954,816.52
  5. Step 5: Solve for x
    x = 75,528,954,816.52/318,109.32
  6. Step 6: Final answer
    x = 237,430.81

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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.