Finding the Fourth Proportional to 288,950.96, 433,318.68 and 99,357.71
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Solution
The fourth proportional to 288,950.96, 433,318.68 and 99,357.71 is: 148,999.50
Step by Step Solution
- Step 1: Write the proportion equation
288,950.96 : 433,318.68 = 99,357.71 : x - Step 2: Convert to fraction form
288,950.96/433,318.68 = 99,357.71/x - Step 3: Cross multiply
288,950.96x = 433,318.68 × 99,357.71 - Step 4: Simplify right side
288,950.96x = 43,053,549,578.43 - Step 5: Solve for x
x = 43,053,549,578.43/288,950.96 - Step 6: Final answer
x = 148,999.50
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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.