Home / 236,038.50-325,640.70-155,508.30

Finding the Fourth Proportional to 236,038.50, 325,640.70 and 155,508.30

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Solution

The fourth proportional to 236,038.50, 325,640.70 and 155,508.30 is: 214,540.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,038.50 : 325,640.70 = 155,508.30 : x
  2. Step 2: Convert to fraction form
    236,038.50/325,640.70 = 155,508.30/x
  3. Step 3: Cross multiply
    236,038.50x = 325,640.70 × 155,508.30
  4. Step 4: Simplify right side
    236,038.50x = 50,639,831,667.81
  5. Step 5: Solve for x
    x = 50,639,831,667.81/236,038.50
  6. Step 6: Final answer
    x = 214,540.56

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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.