Finding the Fourth Proportional to 371,842.80, 512,954.19 and 242,856.84
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Solution
The fourth proportional to 371,842.80, 512,954.19 and 242,856.84 is: 335,019.08
Step by Step Solution
- Step 1: Write the proportion equation
371,842.80 : 512,954.19 = 242,856.84 : x - Step 2: Convert to fraction form
371,842.80/512,954.19 = 242,856.84/x - Step 3: Cross multiply
371,842.80x = 512,954.19 × 242,856.84 - Step 4: Simplify right side
371,842.80x = 124,574,432,193.24 - Step 5: Solve for x
x = 124,574,432,193.24/371,842.80 - Step 6: Final answer
x = 335,019.08
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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.