Finding the Fourth Proportional to 319,747.05, 441,239.27 and 176,506.65
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Solution
The fourth proportional to 319,747.05, 441,239.27 and 176,506.65 is: 243,572.74
Step by Step Solution
- Step 1: Write the proportion equation
319,747.05 : 441,239.27 = 176,506.65 : x - Step 2: Convert to fraction form
319,747.05/441,239.27 = 176,506.65/x - Step 3: Cross multiply
319,747.05x = 441,239.27 × 176,506.65 - Step 4: Simplify right side
319,747.05x = 77,881,664,513.61 - Step 5: Solve for x
x = 77,881,664,513.61/319,747.05 - Step 6: Final answer
x = 243,572.74
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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.