Finding the Fourth Proportional to 386,124.51, 532,851.99 and 235,221.51
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Solution
The fourth proportional to 386,124.51, 532,851.99 and 235,221.51 is: 324,605.79
Step by Step Solution
- Step 1: Write the proportion equation
386,124.51 : 532,851.99 = 235,221.51 : x - Step 2: Convert to fraction form
386,124.51/532,851.99 = 235,221.51/x - Step 3: Cross multiply
386,124.51x = 532,851.99 × 235,221.51 - Step 4: Simplify right side
386,124.51x = 125,338,249,694.31 - Step 5: Solve for x
x = 125,338,249,694.31/386,124.51 - Step 6: Final answer
x = 324,605.79
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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.