Finding the Fourth Proportional to 357,696.18, 493,658.69 and 214,469.55
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Solution
The fourth proportional to 357,696.18, 493,658.69 and 214,469.55 is: 295,990.74
Step by Step Solution
- Step 1: Write the proportion equation
357,696.18 : 493,658.69 = 214,469.55 : x - Step 2: Convert to fraction form
357,696.18/493,658.69 = 214,469.55/x - Step 3: Cross multiply
357,696.18x = 493,658.69 × 214,469.55 - Step 4: Simplify right side
357,696.18x = 105,874,756,025.54 - Step 5: Solve for x
x = 105,874,756,025.54/357,696.18 - Step 6: Final answer
x = 295,990.74
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1.5x scale
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.