Finding the Fourth Proportional to 397,929.12, 596,518.50 and 198,060.54
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Solution
The fourth proportional to 397,929.12, 596,518.50 and 198,060.54 is: 296,904.07
Step by Step Solution
- Step 1: Write the proportion equation
397,929.12 : 596,518.50 = 198,060.54 : x - Step 2: Convert to fraction form
397,929.12/596,518.50 = 198,060.54/x - Step 3: Cross multiply
397,929.12x = 596,518.50 × 198,060.54 - Step 4: Simplify right side
397,929.12x = 118,146,776,229.99 - Step 5: Solve for x
x = 118,146,776,229.99/397,929.12 - Step 6: Final answer
x = 296,904.07
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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.