Home / 256,670.19-384,733.78-96,676.89

Finding the Fourth Proportional to 256,670.19, 384,733.78 and 96,676.89

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Solution

The fourth proportional to 256,670.19, 384,733.78 and 96,676.89 is: 144,913.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,670.19 : 384,733.78 = 96,676.89 : x
  2. Step 2: Convert to fraction form
    256,670.19/384,733.78 = 96,676.89/x
  3. Step 3: Cross multiply
    256,670.19x = 384,733.78 × 96,676.89
  4. Step 4: Simplify right side
    256,670.19x = 37,194,865,328.34
  5. Step 5: Solve for x
    x = 37,194,865,328.34/256,670.19
  6. Step 6: Final answer
    x = 144,913.07

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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.