Home / 442,926.40-664,303.20-143,334.40

Finding the Fourth Proportional to 442,926.40, 664,303.20 and 143,334.40

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Solution

The fourth proportional to 442,926.40, 664,303.20 and 143,334.40 is: 214,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,926.40 : 664,303.20 = 143,334.40 : x
  2. Step 2: Convert to fraction form
    442,926.40/664,303.20 = 143,334.40/x
  3. Step 3: Cross multiply
    442,926.40x = 664,303.20 × 143,334.40
  4. Step 4: Simplify right side
    442,926.40x = 95,217,500,590.08
  5. Step 5: Solve for x
    x = 95,217,500,590.08/442,926.40
  6. Step 6: Final answer
    x = 214,973.64

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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.