Finding the Fourth Proportional to 371,707.71, 512,959.10 and 201,941.79
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Solution
The fourth proportional to 371,707.71, 512,959.10 and 201,941.79 is: 278,681.00
Step by Step Solution
- Step 1: Write the proportion equation
371,707.71 : 512,959.10 = 201,941.79 : x - Step 2: Convert to fraction form
371,707.71/512,959.10 = 201,941.79/x - Step 3: Cross multiply
371,707.71x = 512,959.10 × 201,941.79 - Step 4: Simplify right side
371,707.71x = 103,587,877,841.08 - Step 5: Solve for x
x = 103,587,877,841.08/371,707.71 - Step 6: Final answer
x = 278,681.00
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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.