Home / 310,554.20-428,579.99-174,630.93

Finding the Fourth Proportional to 310,554.20, 428,579.99 and 174,630.93

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Solution

The fourth proportional to 310,554.20, 428,579.99 and 174,630.93 is: 240,999.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,554.20 : 428,579.99 = 174,630.93 : x
  2. Step 2: Convert to fraction form
    310,554.20/428,579.99 = 174,630.93/x
  3. Step 3: Cross multiply
    310,554.20x = 428,579.99 × 174,630.93
  4. Step 4: Simplify right side
    310,554.20x = 74,843,322,669.67
  5. Step 5: Solve for x
    x = 74,843,322,669.67/310,554.20
  6. Step 6: Final answer
    x = 240,999.23

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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.