Finding the Fourth Proportional to 293,089.05, 439,403.91 and 115,728.82
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Solution
The fourth proportional to 293,089.05, 439,403.91 and 115,728.82 is: 173,502.54
Step by Step Solution
- Step 1: Write the proportion equation
293,089.05 : 439,403.91 = 115,728.82 : x - Step 2: Convert to fraction form
293,089.05/439,403.91 = 115,728.82/x - Step 3: Cross multiply
293,089.05x = 439,403.91 × 115,728.82 - Step 4: Simplify right side
293,089.05x = 50,851,696,007.69 - Step 5: Solve for x
x = 50,851,696,007.69/293,089.05 - Step 6: Final answer
x = 173,502.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.