Home / 469,847.67-648,501.03-278,971.17

Finding the Fourth Proportional to 469,847.67, 648,501.03 and 278,971.17

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Solution

The fourth proportional to 469,847.67, 648,501.03 and 278,971.17 is: 385,046.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,847.67 : 648,501.03 = 278,971.17 : x
  2. Step 2: Convert to fraction form
    469,847.67/648,501.03 = 278,971.17/x
  3. Step 3: Cross multiply
    469,847.67x = 648,501.03 × 278,971.17
  4. Step 4: Simplify right side
    469,847.67x = 180,913,091,085.31
  5. Step 5: Solve for x
    x = 180,913,091,085.31/469,847.67
  6. Step 6: Final answer
    x = 385,046.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.