Home / 445,036.43-667,595.69-145,518.55

Finding the Fourth Proportional to 445,036.43, 667,595.69 and 145,518.55

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Solution

The fourth proportional to 445,036.43, 667,595.69 and 145,518.55 is: 218,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,036.43 : 667,595.69 = 145,518.55 : x
  2. Step 2: Convert to fraction form
    445,036.43/667,595.69 = 145,518.55/x
  3. Step 3: Cross multiply
    445,036.43x = 667,595.69 × 145,518.55
  4. Step 4: Simplify right side
    445,036.43x = 97,147,556,795.05
  5. Step 5: Solve for x
    x = 97,147,556,795.05/445,036.43
  6. Step 6: Final answer
    x = 218,291.25

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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.