Home / 229,020.55-343,533.03-86,827.58

Finding the Fourth Proportional to 229,020.55, 343,533.03 and 86,827.58

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Solution

The fourth proportional to 229,020.55, 343,533.03 and 86,827.58 is: 130,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,020.55 : 343,533.03 = 86,827.58 : x
  2. Step 2: Convert to fraction form
    229,020.55/343,533.03 = 86,827.58/x
  3. Step 3: Cross multiply
    229,020.55x = 343,533.03 × 86,827.58
  4. Step 4: Simplify right side
    229,020.55x = 29,828,141,644.97
  5. Step 5: Solve for x
    x = 29,828,141,644.97/229,020.55
  6. Step 6: Final answer
    x = 130,242.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.