Finding the Fourth Proportional to 357,526.18, 493,388.24 and 196,377.09
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Solution
The fourth proportional to 357,526.18, 493,388.24 and 196,377.09 is: 271,001.54
Step by Step Solution
- Step 1: Write the proportion equation
357,526.18 : 493,388.24 = 196,377.09 : x - Step 2: Convert to fraction form
357,526.18/493,388.24 = 196,377.09/x - Step 3: Cross multiply
357,526.18x = 493,388.24 × 196,377.09 - Step 4: Simplify right side
357,526.18x = 96,890,146,811.42 - Step 5: Solve for x
x = 96,890,146,811.42/357,526.18 - Step 6: Final answer
x = 271,001.54
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1.5x scale
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.