Finding the Fourth Proportional to 268,272,834.80, 402,409,252.20 and 230,009,082.80
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Solution
The fourth proportional to 268,272,834.80, 402,409,252.20 and 230,009,082.80 is: 345,013,624.20
Step by Step Solution
- Step 1: Write the proportion equation
268,272,834.80 : 402,409,252.20 = 230,009,082.80 : x - Step 2: Convert to fraction form
268,272,834.80/402,409,252.20 = 230,009,082.80/x - Step 3: Cross multiply
268,272,834.80x = 402,409,252.20 × 230,009,082.80 - Step 4: Simplify right side
268,272,834.80x = 92,557,783,008,755,888 - Step 5: Solve for x
x = 92,557,783,008,755,888/268,272,834.80 - Step 6: Final answer
x = 345,013,624.20
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1.5x scale
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.