Finding the Fourth Proportional to 354,869.20, 532,352.40 and 118,187.20
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Solution
The fourth proportional to 354,869.20, 532,352.40 and 118,187.20 is: 177,296.99
Step by Step Solution
- Step 1: Write the proportion equation
354,869.20 : 532,352.40 = 118,187.20 : x - Step 2: Convert to fraction form
354,869.20/532,352.40 = 118,187.20/x - Step 3: Cross multiply
354,869.20x = 532,352.40 × 118,187.20 - Step 4: Simplify right side
354,869.20x = 62,917,239,569.28 - Step 5: Solve for x
x = 62,917,239,569.28/354,869.20 - Step 6: Final answer
x = 177,296.99
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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.