Finding the Fourth Proportional to 399,685.50, 551,565.99 and 229,919.63
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Solution
The fourth proportional to 399,685.50, 551,565.99 and 229,919.63 is: 317,289.08
Step by Step Solution
- Step 1: Write the proportion equation
399,685.50 : 551,565.99 = 229,919.63 : x - Step 2: Convert to fraction form
399,685.50/551,565.99 = 229,919.63/x - Step 3: Cross multiply
399,685.50x = 551,565.99 × 229,919.63 - Step 4: Simplify right side
399,685.50x = 126,815,845,583.55 - Step 5: Solve for x
x = 126,815,845,583.55/399,685.50 - Step 6: Final answer
x = 317,289.08
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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.