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Finding the Fourth Proportional to 288,846.80, 433,097.40 and 148,878.80

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Solution

The fourth proportional to 288,846.80, 433,097.40 and 148,878.80 is: 223,229.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,846.80 : 433,097.40 = 148,878.80 : x
  2. Step 2: Convert to fraction form
    288,846.80/433,097.40 = 148,878.80/x
  3. Step 3: Cross multiply
    288,846.80x = 433,097.40 × 148,878.80
  4. Step 4: Simplify right side
    288,846.80x = 64,479,021,195.12
  5. Step 5: Solve for x
    x = 64,479,021,195.12/288,846.80
  6. Step 6: Final answer
    x = 223,229.13

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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.