Finding the Fourth Proportional to 397,295.40, 595,943.10 and 147,925.80
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Solution
The fourth proportional to 397,295.40, 595,943.10 and 147,925.80 is: 221,888.70
Step by Step Solution
- Step 1: Write the proportion equation
397,295.40 : 595,943.10 = 147,925.80 : x - Step 2: Convert to fraction form
397,295.40/595,943.10 = 147,925.80/x - Step 3: Cross multiply
397,295.40x = 595,943.10 × 147,925.80 - Step 4: Simplify right side
397,295.40x = 88,155,359,821.98 - Step 5: Solve for x
x = 88,155,359,821.98/397,295.40 - Step 6: Final answer
x = 221,888.70
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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.