Finding the Fourth Proportional to 249,149.36, 343,721.40 and 173,741.60
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Solution
The fourth proportional to 249,149.36, 343,721.40 and 173,741.60 is: 239,690.38
Step by Step Solution
- Step 1: Write the proportion equation
249,149.36 : 343,721.40 = 173,741.60 : x - Step 2: Convert to fraction form
249,149.36/343,721.40 = 173,741.60/x - Step 3: Cross multiply
249,149.36x = 343,721.40 × 173,741.60 - Step 4: Simplify right side
249,149.36x = 59,718,705,990.24 - Step 5: Solve for x
x = 59,718,705,990.24/249,149.36 - Step 6: Final answer
x = 239,690.38
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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.