Finding the Fourth Proportional to 319,589.84, 441,033.64 and 176,349.84
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Solution
The fourth proportional to 319,589.84, 441,033.64 and 176,349.84 is: 243,362.59
Step by Step Solution
- Step 1: Write the proportion equation
319,589.84 : 441,033.64 = 176,349.84 : x - Step 2: Convert to fraction form
319,589.84/441,033.64 = 176,349.84/x - Step 3: Cross multiply
319,589.84x = 441,033.64 × 176,349.84 - Step 4: Simplify right side
319,589.84x = 77,776,211,848.62 - Step 5: Solve for x
x = 77,776,211,848.62/319,589.84 - Step 6: Final answer
x = 243,362.59
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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.