Finding the Fourth Proportional to 319,365.15, 440,776.58 and 192,110.91
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Solution
The fourth proportional to 319,365.15, 440,776.58 and 192,110.91 is: 265,144.74
Step by Step Solution
- Step 1: Write the proportion equation
319,365.15 : 440,776.58 = 192,110.91 : x - Step 2: Convert to fraction form
319,365.15/440,776.58 = 192,110.91/x - Step 3: Cross multiply
319,365.15x = 440,776.58 × 192,110.91 - Step 4: Simplify right side
319,365.15x = 84,677,988,929.93 - Step 5: Solve for x
x = 84,677,988,929.93/319,365.15 - Step 6: Final answer
x = 265,144.74
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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.