Home / 228,327.36-342,389.79-121,691.45

Finding the Fourth Proportional to 228,327.36, 342,389.79 and 121,691.45

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Solution

The fourth proportional to 228,327.36, 342,389.79 and 121,691.45 is: 182,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,327.36 : 342,389.79 = 121,691.45 : x
  2. Step 2: Convert to fraction form
    228,327.36/342,389.79 = 121,691.45/x
  3. Step 3: Cross multiply
    228,327.36x = 342,389.79 × 121,691.45
  4. Step 4: Simplify right side
    228,327.36x = 41,665,908,298.35
  5. Step 5: Solve for x
    x = 41,665,908,298.35/228,327.36
  6. Step 6: Final answer
    x = 182,483.20

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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.