Finding the Fourth Proportional to 342,886.70, 473,239.71 and 205,056.62
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Solution
The fourth proportional to 342,886.70, 473,239.71 and 205,056.62 is: 283,011.66
Step by Step Solution
- Step 1: Write the proportion equation
342,886.70 : 473,239.71 = 205,056.62 : x - Step 2: Convert to fraction form
342,886.70/473,239.71 = 205,056.62/x - Step 3: Cross multiply
342,886.70x = 473,239.71 × 205,056.62 - Step 4: Simplify right side
342,886.70x = 97,040,935,382.38 - Step 5: Solve for x
x = 97,040,935,382.38/342,886.70 - Step 6: Final answer
x = 283,011.66
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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.