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Finding the Fourth Proportional to 177,161.60, 265,742.40 and 169,482.80

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Solution

The fourth proportional to 177,161.60, 265,742.40 and 169,482.80 is: 254,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,161.60 : 265,742.40 = 169,482.80 : x
  2. Step 2: Convert to fraction form
    177,161.60/265,742.40 = 169,482.80/x
  3. Step 3: Cross multiply
    177,161.60x = 265,742.40 × 169,482.80
  4. Step 4: Simplify right side
    177,161.60x = 45,038,766,030.72
  5. Step 5: Solve for x
    x = 45,038,766,030.72/177,161.60
  6. Step 6: Final answer
    x = 254,224.20

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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.