Home / 225,840.21-310,877.28-195,199.35

Finding the Fourth Proportional to 225,840.21, 310,877.28 and 195,199.35

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Solution

The fourth proportional to 225,840.21, 310,877.28 and 195,199.35 is: 268,699.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,840.21 : 310,877.28 = 195,199.35 : x
  2. Step 2: Convert to fraction form
    225,840.21/310,877.28 = 195,199.35/x
  3. Step 3: Cross multiply
    225,840.21x = 310,877.28 × 195,199.35
  4. Step 4: Simplify right side
    225,840.21x = 60,683,042,985.77
  5. Step 5: Solve for x
    x = 60,683,042,985.77/225,840.21
  6. Step 6: Final answer
    x = 268,699.02

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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.