Finding the Fourth Proportional to 319,583.05, 441,024.09 and 176,342.98
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Solution
The fourth proportional to 319,583.05, 441,024.09 and 176,342.98 is: 243,353.03
Step by Step Solution
- Step 1: Write the proportion equation
319,583.05 : 441,024.09 = 176,342.98 : x - Step 2: Convert to fraction form
319,583.05/441,024.09 = 176,342.98/x - Step 3: Cross multiply
319,583.05x = 441,024.09 × 176,342.98 - Step 4: Simplify right side
319,583.05x = 77,771,502,282.39 - Step 5: Solve for x
x = 77,771,502,282.39/319,583.05 - Step 6: Final answer
x = 243,353.03
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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.