Finding the Fourth Proportional to 428,312.96, 591,072.96 and 237,324.80
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Solution
The fourth proportional to 428,312.96, 591,072.96 and 237,324.80 is: 327,508.82
Step by Step Solution
- Step 1: Write the proportion equation
428,312.96 : 591,072.96 = 237,324.80 : x - Step 2: Convert to fraction form
428,312.96/591,072.96 = 237,324.80/x - Step 3: Cross multiply
428,312.96x = 591,072.96 × 237,324.80 - Step 4: Simplify right side
428,312.96x = 140,276,272,017.41 - Step 5: Solve for x
x = 140,276,272,017.41/428,312.96 - Step 6: Final answer
x = 327,508.82
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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.