Finding the Fourth Proportional to 865,729.17, 1,298,593.77 and 234,642.99
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Solution
The fourth proportional to 865,729.17, 1,298,593.77 and 234,642.99 is: 351,964.49
Step by Step Solution
- Step 1: Write the proportion equation
865,729.17 : 1,298,593.77 = 234,642.99 : x - Step 2: Convert to fraction form
865,729.17/1,298,593.77 = 234,642.99/x - Step 3: Cross multiply
865,729.17x = 1,298,593.77 × 234,642.99 - Step 4: Simplify right side
865,729.17x = 304,705,924,988.17 - Step 5: Solve for x
x = 304,705,924,988.17/865,729.17 - Step 6: Final answer
x = 351,964.49
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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.