Home / 268,161.40-402,242.10-197,302.60

Finding the Fourth Proportional to 268,161.40, 402,242.10 and 197,302.60

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Solution

The fourth proportional to 268,161.40, 402,242.10 and 197,302.60 is: 295,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,161.40 : 402,242.10 = 197,302.60 : x
  2. Step 2: Convert to fraction form
    268,161.40/402,242.10 = 197,302.60/x
  3. Step 3: Cross multiply
    268,161.40x = 402,242.10 × 197,302.60
  4. Step 4: Simplify right side
    268,161.40x = 79,363,412,159.46
  5. Step 5: Solve for x
    x = 79,363,412,159.46/268,161.40
  6. Step 6: Final answer
    x = 295,953.90

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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.