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Finding the Fourth Proportional to 150,482.69, 225,801.64 and 70,528.78

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Solution

The fourth proportional to 150,482.69, 225,801.64 and 70,528.78 is: 105,829.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,482.69 : 225,801.64 = 70,528.78 : x
  2. Step 2: Convert to fraction form
    150,482.69/225,801.64 = 70,528.78/x
  3. Step 3: Cross multiply
    150,482.69x = 225,801.64 × 70,528.78
  4. Step 4: Simplify right side
    150,482.69x = 15,925,514,191.20
  5. Step 5: Solve for x
    x = 15,925,514,191.20/150,482.69
  6. Step 6: Final answer
    x = 105,829.54

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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.