Home / 469,815.23-648,345.43-254,955.29

Finding the Fourth Proportional to 469,815.23, 648,345.43 and 254,955.29

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Solution

The fourth proportional to 469,815.23, 648,345.43 and 254,955.29 is: 351,838.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,815.23 : 648,345.43 = 254,955.29 : x
  2. Step 2: Convert to fraction form
    469,815.23/648,345.43 = 254,955.29/x
  3. Step 3: Cross multiply
    469,815.23x = 648,345.43 × 254,955.29
  4. Step 4: Simplify right side
    469,815.23x = 165,299,095,851.05
  5. Step 5: Solve for x
    x = 165,299,095,851.05/469,815.23
  6. Step 6: Final answer
    x = 351,838.52

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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.