Finding the Fourth Proportional to 319,226.67, 440,536.19 and 175,991.84
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Solution
The fourth proportional to 319,226.67, 440,536.19 and 175,991.84 is: 242,870.61
Step by Step Solution
- Step 1: Write the proportion equation
319,226.67 : 440,536.19 = 175,991.84 : x - Step 2: Convert to fraction form
319,226.67/440,536.19 = 175,991.84/x - Step 3: Cross multiply
319,226.67x = 440,536.19 × 175,991.84 - Step 4: Simplify right side
319,226.67x = 77,530,774,664.69 - Step 5: Solve for x
x = 77,530,774,664.69/319,226.67 - Step 6: Final answer
x = 242,870.61
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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.