Home / 426,674.04-639,984.98-177,358.20

Finding the Fourth Proportional to 426,674.04, 639,984.98 and 177,358.20

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Solution

The fourth proportional to 426,674.04, 639,984.98 and 177,358.20 is: 266,026.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,674.04 : 639,984.98 = 177,358.20 : x
  2. Step 2: Convert to fraction form
    426,674.04/639,984.98 = 177,358.20/x
  3. Step 3: Cross multiply
    426,674.04x = 639,984.98 × 177,358.20
  4. Step 4: Simplify right side
    426,674.04x = 113,506,584,079.84
  5. Step 5: Solve for x
    x = 113,506,584,079.84/426,674.04
  6. Step 6: Final answer
    x = 266,026.46

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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.