Finding the Fourth Proportional to 357,619.97, 493,543.28 and 204,706.19
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Solution
The fourth proportional to 357,619.97, 493,543.28 and 204,706.19 is: 282,510.40
Step by Step Solution
- Step 1: Write the proportion equation
357,619.97 : 493,543.28 = 204,706.19 : x - Step 2: Convert to fraction form
357,619.97/493,543.28 = 204,706.19/x - Step 3: Cross multiply
357,619.97x = 493,543.28 × 204,706.19 - Step 4: Simplify right side
357,619.97x = 101,031,360,957.66 - Step 5: Solve for x
x = 101,031,360,957.66/357,619.97 - Step 6: Final answer
x = 282,510.40
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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.