Home / 256,827.80-384,852.90-173,624.60

Finding the Fourth Proportional to 256,827.80, 384,852.90 and 173,624.60

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Solution

The fourth proportional to 256,827.80, 384,852.90 and 173,624.60 is: 260,174.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,827.80 : 384,852.90 = 173,624.60 : x
  2. Step 2: Convert to fraction form
    256,827.80/384,852.90 = 173,624.60/x
  3. Step 3: Cross multiply
    256,827.80x = 384,852.90 × 173,624.60
  4. Step 4: Simplify right side
    256,827.80x = 66,819,930,821.34
  5. Step 5: Solve for x
    x = 66,819,930,821.34/256,827.80
  6. Step 6: Final answer
    x = 260,174.06

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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.