Home / 256,123.08-384,226.20-96,211.35

Finding the Fourth Proportional to 256,123.08, 384,226.20 and 96,211.35

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Solution

The fourth proportional to 256,123.08, 384,226.20 and 96,211.35 is: 144,332.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,123.08 : 384,226.20 = 96,211.35 : x
  2. Step 2: Convert to fraction form
    256,123.08/384,226.20 = 96,211.35/x
  3. Step 3: Cross multiply
    256,123.08x = 384,226.20 × 96,211.35
  4. Step 4: Simplify right side
    256,123.08x = 36,966,921,407.37
  5. Step 5: Solve for x
    x = 36,966,921,407.37/256,123.08
  6. Step 6: Final answer
    x = 144,332.64

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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.