Home / 325,242.36-487,848.06-135,624.60

Finding the Fourth Proportional to 325,242.36, 487,848.06 and 135,624.60

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Solution

The fourth proportional to 325,242.36, 487,848.06 and 135,624.60 is: 203,430.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,242.36 : 487,848.06 = 135,624.60 : x
  2. Step 2: Convert to fraction form
    325,242.36/487,848.06 = 135,624.60/x
  3. Step 3: Cross multiply
    325,242.36x = 487,848.06 × 135,624.60
  4. Step 4: Simplify right side
    325,242.36x = 66,164,197,998.28
  5. Step 5: Solve for x
    x = 66,164,197,998.28/325,242.36
  6. Step 6: Final answer
    x = 203,430.44

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1.5x scale

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.