Home / 469,905.80-648,452.65-255,041.25

Finding the Fourth Proportional to 469,905.80, 648,452.65 and 255,041.25

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Solution

The fourth proportional to 469,905.80, 648,452.65 and 255,041.25 is: 351,947.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,905.80 : 648,452.65 = 255,041.25 : x
  2. Step 2: Convert to fraction form
    469,905.80/648,452.65 = 255,041.25/x
  3. Step 3: Cross multiply
    469,905.80x = 648,452.65 × 255,041.25
  4. Step 4: Simplify right side
    469,905.80x = 165,382,174,421.81
  5. Step 5: Solve for x
    x = 165,382,174,421.81/469,905.80
  6. Step 6: Final answer
    x = 351,947.51

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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.