Home / 442,852.20-664,278.30-110,428.20

Finding the Fourth Proportional to 442,852.20, 664,278.30 and 110,428.20

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Solution

The fourth proportional to 442,852.20, 664,278.30 and 110,428.20 is: 165,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,852.20 : 664,278.30 = 110,428.20 : x
  2. Step 2: Convert to fraction form
    442,852.20/664,278.30 = 110,428.20/x
  3. Step 3: Cross multiply
    442,852.20x = 664,278.30 × 110,428.20
  4. Step 4: Simplify right side
    442,852.20x = 73,355,056,968.06
  5. Step 5: Solve for x
    x = 73,355,056,968.06/442,852.20
  6. Step 6: Final answer
    x = 165,642.30

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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.