Finding the Fourth Proportional to 252,495.18, 378,451.80 and 102,570.75
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Solution
The fourth proportional to 252,495.18, 378,451.80 and 102,570.75 is: 153,737.92
Step by Step Solution
- Step 1: Write the proportion equation
252,495.18 : 378,451.80 = 102,570.75 : x - Step 2: Convert to fraction form
252,495.18/378,451.80 = 102,570.75/x - Step 3: Cross multiply
252,495.18x = 378,451.80 × 102,570.75 - Step 4: Simplify right side
252,495.18x = 38,818,084,964.85 - Step 5: Solve for x
x = 38,818,084,964.85/252,495.18 - Step 6: Final answer
x = 153,737.92
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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.