Finding the Fourth Proportional to 428,700.08, 591,603.72 and 237,741.68
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Solution
The fourth proportional to 428,700.08, 591,603.72 and 237,741.68 is: 328,082.19
Step by Step Solution
- Step 1: Write the proportion equation
428,700.08 : 591,603.72 = 237,741.68 : x - Step 2: Convert to fraction form
428,700.08/591,603.72 = 237,741.68/x - Step 3: Cross multiply
428,700.08x = 591,603.72 × 237,741.68 - Step 4: Simplify right side
428,700.08x = 140,648,862,287.05 - Step 5: Solve for x
x = 140,648,862,287.05/428,700.08 - Step 6: Final answer
x = 328,082.19
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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.