Finding the Fourth Proportional to 357,706.59, 493,661.84 and 221,766.99
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Solution
The fourth proportional to 357,706.59, 493,661.84 and 221,766.99 is: 306,055.02
Step by Step Solution
- Step 1: Write the proportion equation
357,706.59 : 493,661.84 = 221,766.99 : x - Step 2: Convert to fraction form
357,706.59/493,661.84 = 221,766.99/x - Step 3: Cross multiply
357,706.59x = 493,661.84 × 221,766.99 - Step 4: Simplify right side
357,706.59x = 109,477,899,225.83 - Step 5: Solve for x
x = 109,477,899,225.83/357,706.59 - Step 6: Final answer
x = 306,055.02
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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.