Finding the Fourth Proportional to 428,353.04, 591,130.71 and 237,369.62
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Solution
The fourth proportional to 428,353.04, 591,130.71 and 237,369.62 is: 327,572.02
Step by Step Solution
- Step 1: Write the proportion equation
428,353.04 : 591,130.71 = 237,369.62 : x - Step 2: Convert to fraction form
428,353.04/591,130.71 = 237,369.62/x - Step 3: Cross multiply
428,353.04x = 591,130.71 × 237,369.62 - Step 4: Simplify right side
428,353.04x = 140,316,469,047.38 - Step 5: Solve for x
x = 140,316,469,047.38/428,353.04 - Step 6: Final answer
x = 327,572.02
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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.