Finding the Fourth Proportional to 379,928.62, 524,305.68 and 207,842.92
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Solution
The fourth proportional to 379,928.62, 524,305.68 and 207,842.92 is: 286,825.52
Step by Step Solution
- Step 1: Write the proportion equation
379,928.62 : 524,305.68 = 207,842.92 : x - Step 2: Convert to fraction form
379,928.62/524,305.68 = 207,842.92/x - Step 3: Cross multiply
379,928.62x = 524,305.68 × 207,842.92 - Step 4: Simplify right side
379,928.62x = 108,973,223,503.79 - Step 5: Solve for x
x = 108,973,223,503.79/379,928.62 - Step 6: Final answer
x = 286,825.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.