Home / 469,975.29-648,577.65-255,115.35

Finding the Fourth Proportional to 469,975.29, 648,577.65 and 255,115.35

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Solution

The fourth proportional to 469,975.29, 648,577.65 and 255,115.35 is: 352,065.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,975.29 : 648,577.65 = 255,115.35 : x
  2. Step 2: Convert to fraction form
    469,975.29/648,577.65 = 255,115.35/x
  3. Step 3: Cross multiply
    469,975.29x = 648,577.65 × 255,115.35
  4. Step 4: Simplify right side
    469,975.29x = 165,462,115,138.61
  5. Step 5: Solve for x
    x = 165,462,115,138.61/469,975.29
  6. Step 6: Final answer
    x = 352,065.57

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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.