Finding the Fourth Proportional to 428,368.97, 591,152.72 and 237,385.55
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Solution
The fourth proportional to 428,368.97, 591,152.72 and 237,385.55 is: 327,594.02
Step by Step Solution
- Step 1: Write the proportion equation
428,368.97 : 591,152.72 = 237,385.55 : x - Step 2: Convert to fraction form
428,368.97/591,152.72 = 237,385.55/x - Step 3: Cross multiply
428,368.97x = 591,152.72 × 237,385.55 - Step 4: Simplify right side
428,368.97x = 140,331,113,862.15 - Step 5: Solve for x
x = 140,331,113,862.15/428,368.97 - Step 6: Final answer
x = 327,594.02
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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.