Finding the Fourth Proportional to 399,559.68, 551,409.14 and 229,793.96
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Solution
The fourth proportional to 399,559.68, 551,409.14 and 229,793.96 is: 317,125.32
Step by Step Solution
- Step 1: Write the proportion equation
399,559.68 : 551,409.14 = 229,793.96 : x - Step 2: Convert to fraction form
399,559.68/551,409.14 = 229,793.96/x - Step 3: Cross multiply
399,559.68x = 551,409.14 × 229,793.96 - Step 4: Simplify right side
399,559.68x = 126,710,489,860.79 - Step 5: Solve for x
x = 126,710,489,860.79/399,559.68 - Step 6: Final answer
x = 317,125.32
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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.