Finding the Fourth Proportional to 371,988.06, 513,323.91 and 202,221.42
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Solution
The fourth proportional to 371,988.06, 513,323.91 and 202,221.42 is: 279,054.90
Step by Step Solution
- Step 1: Write the proportion equation
371,988.06 : 513,323.91 = 202,221.42 : x - Step 2: Convert to fraction form
371,988.06/513,323.91 = 202,221.42/x - Step 3: Cross multiply
371,988.06x = 513,323.91 × 202,221.42 - Step 4: Simplify right side
371,988.06x = 103,805,090,000.15 - Step 5: Solve for x
x = 103,805,090,000.15/371,988.06 - Step 6: Final answer
x = 279,054.90
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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.