Finding the Fourth Proportional to 354,080.71, 531,278.06 and 185,560.98
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Solution
The fourth proportional to 354,080.71, 531,278.06 and 185,560.98 is: 278,423.75
Step by Step Solution
- Step 1: Write the proportion equation
354,080.71 : 531,278.06 = 185,560.98 : x - Step 2: Convert to fraction form
354,080.71/531,278.06 = 185,560.98/x - Step 3: Cross multiply
354,080.71x = 531,278.06 × 185,560.98 - Step 4: Simplify right side
354,080.71x = 98,584,477,466.10 - Step 5: Solve for x
x = 98,584,477,466.10/354,080.71 - Step 6: Final answer
x = 278,423.75
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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.