Finding the Fourth Proportional to 369,052.96, 509,294.64 and 207,909.96
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Solution
The fourth proportional to 369,052.96, 509,294.64 and 207,909.96 is: 286,916.62
Step by Step Solution
- Step 1: Write the proportion equation
369,052.96 : 509,294.64 = 207,909.96 : x - Step 2: Convert to fraction form
369,052.96/509,294.64 = 207,909.96/x - Step 3: Cross multiply
369,052.96x = 509,294.64 × 207,909.96 - Step 4: Simplify right side
369,052.96x = 105,887,428,230.61 - Step 5: Solve for x
x = 105,887,428,230.61/369,052.96 - Step 6: Final answer
x = 286,916.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.