Home / 281,976.52-389,130.60-152,915.25

Finding the Fourth Proportional to 281,976.52, 389,130.60 and 152,915.25

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Solution

The fourth proportional to 281,976.52, 389,130.60 and 152,915.25 is: 211,024.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,976.52 : 389,130.60 = 152,915.25 : x
  2. Step 2: Convert to fraction form
    281,976.52/389,130.60 = 152,915.25/x
  3. Step 3: Cross multiply
    281,976.52x = 389,130.60 × 152,915.25
  4. Step 4: Simplify right side
    281,976.52x = 59,504,001,435.39
  5. Step 5: Solve for x
    x = 59,504,001,435.39/281,976.52
  6. Step 6: Final answer
    x = 211,024.67

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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.