Home / 298,056.03-447,281.01-140,329.59

Finding the Fourth Proportional to 298,056.03, 447,281.01 and 140,329.59

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Solution

The fourth proportional to 298,056.03, 447,281.01 and 140,329.59 is: 210,587.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,056.03 : 447,281.01 = 140,329.59 : x
  2. Step 2: Convert to fraction form
    298,056.03/447,281.01 = 140,329.59/x
  3. Step 3: Cross multiply
    298,056.03x = 447,281.01 × 140,329.59
  4. Step 4: Simplify right side
    298,056.03x = 62,766,760,748.09
  5. Step 5: Solve for x
    x = 62,766,760,748.09/298,056.03
  6. Step 6: Final answer
    x = 210,587.12

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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.