Finding the Fourth Proportional to 353,763.65, 530,516.99 and 154,035.88
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Solution
The fourth proportional to 353,763.65, 530,516.99 and 154,035.88 is: 230,997.87
Step by Step Solution
- Step 1: Write the proportion equation
353,763.65 : 530,516.99 = 154,035.88 : x - Step 2: Convert to fraction form
353,763.65/530,516.99 = 154,035.88/x - Step 3: Cross multiply
353,763.65x = 530,516.99 × 154,035.88 - Step 4: Simplify right side
353,763.65x = 81,718,650,468.40 - Step 5: Solve for x
x = 81,718,650,468.40/353,763.65 - Step 6: Final answer
x = 230,997.87
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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.