Finding the Fourth Proportional to 535,729.12, 803,593.68 and 203,305.12
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Solution
The fourth proportional to 535,729.12, 803,593.68 and 203,305.12 is: 304,957.68
Step by Step Solution
- Step 1: Write the proportion equation
535,729.12 : 803,593.68 = 203,305.12 : x - Step 2: Convert to fraction form
535,729.12/803,593.68 = 203,305.12/x - Step 3: Cross multiply
535,729.12x = 803,593.68 × 203,305.12 - Step 4: Simplify right side
535,729.12x = 163,374,709,543.64 - Step 5: Solve for x
x = 163,374,709,543.64/535,729.12 - Step 6: Final answer
x = 304,957.68
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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.