Home / 306,778.46-423,371.70-184,308.30

Finding the Fourth Proportional to 306,778.46, 423,371.70 and 184,308.30

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Solution

The fourth proportional to 306,778.46, 423,371.70 and 184,308.30 is: 254,355.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,778.46 : 423,371.70 = 184,308.30 : x
  2. Step 2: Convert to fraction form
    306,778.46/423,371.70 = 184,308.30/x
  3. Step 3: Cross multiply
    306,778.46x = 423,371.70 × 184,308.30
  4. Step 4: Simplify right side
    306,778.46x = 78,030,918,295.11
  5. Step 5: Solve for x
    x = 78,030,918,295.11/306,778.46
  6. Step 6: Final answer
    x = 254,355.93

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1.5x scale

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.