Finding the Fourth Proportional to 319,103.92, 440,356.74 and 175,860.28
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Solution
The fourth proportional to 319,103.92, 440,356.74 and 175,860.28 is: 242,683.51
Step by Step Solution
- Step 1: Write the proportion equation
319,103.92 : 440,356.74 = 175,860.28 : x - Step 2: Convert to fraction form
319,103.92/440,356.74 = 175,860.28/x - Step 3: Cross multiply
319,103.92x = 440,356.74 × 175,860.28 - Step 4: Simplify right side
319,103.92x = 77,441,259,596.29 - Step 5: Solve for x
x = 77,441,259,596.29/319,103.92 - Step 6: Final answer
x = 242,683.51
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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.