Finding the Fourth Proportional to 319,740.11, 441,244.43 and 176,497.08
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Solution
The fourth proportional to 319,740.11, 441,244.43 and 176,497.08 is: 243,567.66
Step by Step Solution
- Step 1: Write the proportion equation
319,740.11 : 441,244.43 = 176,497.08 : x - Step 2: Convert to fraction form
319,740.11/441,244.43 = 176,497.08/x - Step 3: Cross multiply
319,740.11x = 441,244.43 × 176,497.08 - Step 4: Simplify right side
319,740.11x = 77,878,351,585.98 - Step 5: Solve for x
x = 77,878,351,585.98/319,740.11 - Step 6: Final answer
x = 243,567.66
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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.