Home / 310,787.48-428,924.67-174,827.16

Finding the Fourth Proportional to 310,787.48, 428,924.67 and 174,827.16

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Solution

The fourth proportional to 310,787.48, 428,924.67 and 174,827.16 is: 241,282.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,787.48 : 428,924.67 = 174,827.16 : x
  2. Step 2: Convert to fraction form
    310,787.48/428,924.67 = 174,827.16/x
  3. Step 3: Cross multiply
    310,787.48x = 428,924.67 × 174,827.16
  4. Step 4: Simplify right side
    310,787.48x = 74,987,681,254.44
  5. Step 5: Solve for x
    x = 74,987,681,254.44/310,787.48
  6. Step 6: Final answer
    x = 241,282.82

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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.