Home / 281,269.60-388,149.09-152,205.25

Finding the Fourth Proportional to 281,269.60, 388,149.09 and 152,205.25

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Solution

The fourth proportional to 281,269.60, 388,149.09 and 152,205.25 is: 210,041.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,269.60 : 388,149.09 = 152,205.25 : x
  2. Step 2: Convert to fraction form
    281,269.60/388,149.09 = 152,205.25/x
  3. Step 3: Cross multiply
    281,269.60x = 388,149.09 × 152,205.25
  4. Step 4: Simplify right side
    281,269.60x = 59,078,327,154.49
  5. Step 5: Solve for x
    x = 59,078,327,154.49/281,269.60
  6. Step 6: Final answer
    x = 210,041.64

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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.