Finding the Fourth Proportional to 493,125.01, 680,625.84 and 289,241.63
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Solution
The fourth proportional to 493,125.01, 680,625.84 and 289,241.63 is: 399,219.92
Step by Step Solution
- Step 1: Write the proportion equation
493,125.01 : 680,625.84 = 289,241.63 : x - Step 2: Convert to fraction form
493,125.01/680,625.84 = 289,241.63/x - Step 3: Cross multiply
493,125.01x = 680,625.84 × 289,241.63 - Step 4: Simplify right side
493,125.01x = 196,865,329,817.13 - Step 5: Solve for x
x = 196,865,329,817.13/493,125.01 - Step 6: Final answer
x = 399,219.92
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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.