Home / 402,220.27-603,327.07-162,330.49

Finding the Fourth Proportional to 402,220.27, 603,327.07 and 162,330.49

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Solution

The fourth proportional to 402,220.27, 603,327.07 and 162,330.49 is: 243,494.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,220.27 : 603,327.07 = 162,330.49 : x
  2. Step 2: Convert to fraction form
    402,220.27/603,327.07 = 162,330.49/x
  3. Step 3: Cross multiply
    402,220.27x = 603,327.07 × 162,330.49
  4. Step 4: Simplify right side
    402,220.27x = 97,938,378,903.36
  5. Step 5: Solve for x
    x = 97,938,378,903.36/402,220.27
  6. Step 6: Final answer
    x = 243,494.39

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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.