Finding the Fourth Proportional to 381,451.08, 572,553.27 and 286,350.60
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Solution
The fourth proportional to 381,451.08, 572,553.27 and 286,350.60 is: 429,808.65
Step by Step Solution
- Step 1: Write the proportion equation
381,451.08 : 572,553.27 = 286,350.60 : x - Step 2: Convert to fraction form
381,451.08/572,553.27 = 286,350.60/x - Step 3: Cross multiply
381,451.08x = 572,553.27 × 286,350.60 - Step 4: Simplify right side
381,451.08x = 163,950,972,396.46 - Step 5: Solve for x
x = 163,950,972,396.46/381,451.08 - Step 6: Final answer
x = 429,808.65
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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.