Home / 226,356.40-312,353.55-130,869.25

Finding the Fourth Proportional to 226,356.40, 312,353.55 and 130,869.25

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Solution

The fourth proportional to 226,356.40, 312,353.55 and 130,869.25 is: 180,588.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,356.40 : 312,353.55 = 130,869.25 : x
  2. Step 2: Convert to fraction form
    226,356.40/312,353.55 = 130,869.25/x
  3. Step 3: Cross multiply
    226,356.40x = 312,353.55 × 130,869.25
  4. Step 4: Simplify right side
    226,356.40x = 40,877,474,496.16
  5. Step 5: Solve for x
    x = 40,877,474,496.16/226,356.40
  6. Step 6: Final answer
    x = 180,588.99

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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.