Finding the Fourth Proportional to 614,241.39, 921,328.47 and 187,776.99
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Solution
The fourth proportional to 614,241.39, 921,328.47 and 187,776.99 is: 281,655.21
Step by Step Solution
- Step 1: Write the proportion equation
614,241.39 : 921,328.47 = 187,776.99 : x - Step 2: Convert to fraction form
614,241.39/921,328.47 = 187,776.99/x - Step 3: Cross multiply
614,241.39x = 921,328.47 × 187,776.99 - Step 4: Simplify right side
614,241.39x = 173,004,286,897.91 - Step 5: Solve for x
x = 173,004,286,897.91/614,241.39 - Step 6: Final answer
x = 281,655.21
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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.