Finding the Fourth Proportional to 319,744.12, 441,249.96 and 176,501.08
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Solution
The fourth proportional to 319,744.12, 441,249.96 and 176,501.08 is: 243,573.19
Step by Step Solution
- Step 1: Write the proportion equation
319,744.12 : 441,249.96 = 176,501.08 : x - Step 2: Convert to fraction form
319,744.12/441,249.96 = 176,501.08/x - Step 3: Cross multiply
319,744.12x = 441,249.96 × 176,501.08 - Step 4: Simplify right side
319,744.12x = 77,881,094,489.96 - Step 5: Solve for x
x = 77,881,094,489.96/319,744.12 - Step 6: Final answer
x = 243,573.19
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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.