Finding the Fourth Proportional to 270,376.17, 405,528.99 and 70,711.95
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Solution
The fourth proportional to 270,376.17, 405,528.99 and 70,711.95 is: 106,058.70
Step by Step Solution
- Step 1: Write the proportion equation
270,376.17 : 405,528.99 = 70,711.95 : x - Step 2: Convert to fraction form
270,376.17/405,528.99 = 70,711.95/x - Step 3: Cross multiply
270,376.17x = 405,528.99 × 70,711.95 - Step 4: Simplify right side
270,376.17x = 28,675,745,664.43 - Step 5: Solve for x
x = 28,675,745,664.43/270,376.17 - Step 6: Final answer
x = 106,058.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.