Finding the Fourth Proportional to 399,560.18, 551,409.84 and 229,794.46
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Solution
The fourth proportional to 399,560.18, 551,409.84 and 229,794.46 is: 317,126.01
Step by Step Solution
- Step 1: Write the proportion equation
399,560.18 : 551,409.84 = 229,794.46 : x - Step 2: Convert to fraction form
399,560.18/551,409.84 = 229,794.46/x - Step 3: Cross multiply
399,560.18x = 551,409.84 × 229,794.46 - Step 4: Simplify right side
399,560.18x = 126,710,926,421.49 - Step 5: Solve for x
x = 126,710,926,421.49/399,560.18 - Step 6: Final answer
x = 317,126.01
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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.