Finding the Fourth Proportional to 371,477.96, 512,641.68 and 201,712.13
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Solution
The fourth proportional to 371,477.96, 512,641.68 and 201,712.13 is: 278,363.88
Step by Step Solution
- Step 1: Write the proportion equation
371,477.96 : 512,641.68 = 201,712.13 : x - Step 2: Convert to fraction form
371,477.96/512,641.68 = 201,712.13/x - Step 3: Cross multiply
371,477.96x = 512,641.68 × 201,712.13 - Step 4: Simplify right side
371,477.96x = 103,406,045,199.58 - Step 5: Solve for x
x = 103,406,045,199.58/371,477.96 - Step 6: Final answer
x = 278,363.88
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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.