Finding the Fourth Proportional to 319,029.84, 440,257.61 and 181,207.80
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Solution
The fourth proportional to 319,029.84, 440,257.61 and 181,207.80 is: 250,064.74
Step by Step Solution
- Step 1: Write the proportion equation
319,029.84 : 440,257.61 = 181,207.80 : x - Step 2: Convert to fraction form
319,029.84/440,257.61 = 181,207.80/x - Step 3: Cross multiply
319,029.84x = 440,257.61 × 181,207.80 - Step 4: Simplify right side
319,029.84x = 79,778,113,394.38 - Step 5: Solve for x
x = 79,778,113,394.38/319,029.84 - Step 6: Final answer
x = 250,064.74
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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.