Home / 305,480.22-458,070.44-125,533.05

Finding the Fourth Proportional to 305,480.22, 458,070.44 and 125,533.05

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Solution

The fourth proportional to 305,480.22, 458,070.44 and 125,533.05 is: 188,237.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,480.22 : 458,070.44 = 125,533.05 : x
  2. Step 2: Convert to fraction form
    305,480.22/458,070.44 = 125,533.05/x
  3. Step 3: Cross multiply
    305,480.22x = 458,070.44 × 125,533.05
  4. Step 4: Simplify right side
    305,480.22x = 57,502,978,820.38
  5. Step 5: Solve for x
    x = 57,502,978,820.38/305,480.22
  6. Step 6: Final answer
    x = 188,237.98

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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.