Finding the Fourth Proportional to 506,112.84, 759,152.79 and 132,135.84
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Solution
The fourth proportional to 506,112.84, 759,152.79 and 132,135.84 is: 198,199.46
Step by Step Solution
- Step 1: Write the proportion equation
506,112.84 : 759,152.79 = 132,135.84 : x - Step 2: Convert to fraction form
506,112.84/759,152.79 = 132,135.84/x - Step 3: Cross multiply
506,112.84x = 759,152.79 × 132,135.84 - Step 4: Simplify right side
506,112.84x = 100,311,291,594.99 - Step 5: Solve for x
x = 100,311,291,594.99/506,112.84 - Step 6: Final answer
x = 198,199.46
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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.