Home / 450,619.52-621,812.40-269,295.35

Finding the Fourth Proportional to 450,619.52, 621,812.40 and 269,295.35

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Solution

The fourth proportional to 450,619.52, 621,812.40 and 269,295.35 is: 371,602.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,619.52 : 621,812.40 = 269,295.35 : x
  2. Step 2: Convert to fraction form
    450,619.52/621,812.40 = 269,295.35/x
  3. Step 3: Cross multiply
    450,619.52x = 621,812.40 × 269,295.35
  4. Step 4: Simplify right side
    450,619.52x = 167,451,187,892.34
  5. Step 5: Solve for x
    x = 167,451,187,892.34/450,619.52
  6. Step 6: Final answer
    x = 371,602.16

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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.