Finding the Fourth Proportional to 132,902.19, 199,356.95 and 42,948.75
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Solution
The fourth proportional to 132,902.19, 199,356.95 and 42,948.75 is: 64,424.31
Step by Step Solution
- Step 1: Write the proportion equation
132,902.19 : 199,356.95 = 42,948.75 : x - Step 2: Convert to fraction form
132,902.19/199,356.95 = 42,948.75/x - Step 3: Cross multiply
132,902.19x = 199,356.95 × 42,948.75 - Step 4: Simplify right side
132,902.19x = 8,562,131,806.31 - Step 5: Solve for x
x = 8,562,131,806.31/132,902.19 - Step 6: Final answer
x = 64,424.31
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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.