Finding the Fourth Proportional to 349,084.80, 481,965.12 and 268,363.44
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Solution
The fourth proportional to 349,084.80, 481,965.12 and 268,363.44 is: 370,516.90
Step by Step Solution
- Step 1: Write the proportion equation
349,084.80 : 481,965.12 = 268,363.44 : x - Step 2: Convert to fraction form
349,084.80/481,965.12 = 268,363.44/x - Step 3: Cross multiply
349,084.80x = 481,965.12 × 268,363.44 - Step 4: Simplify right side
349,084.80x = 129,341,817,563.21 - Step 5: Solve for x
x = 129,341,817,563.21/349,084.80 - Step 6: Final answer
x = 370,516.90
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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.