Finding the Fourth Proportional to 371,294.02, 512,386.74 and 201,528.14
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Solution
The fourth proportional to 371,294.02, 512,386.74 and 201,528.14 is: 278,109.37
Step by Step Solution
- Step 1: Write the proportion equation
371,294.02 : 512,386.74 = 201,528.14 : x - Step 2: Convert to fraction form
371,294.02/512,386.74 = 201,528.14/x - Step 3: Cross multiply
371,294.02x = 512,386.74 × 201,528.14 - Step 4: Simplify right side
371,294.02x = 103,260,346,672.86 - Step 5: Solve for x
x = 103,260,346,672.86/371,294.02 - Step 6: Final answer
x = 278,109.37
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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.