Finding the Fourth Proportional to 357,783.07, 493,730.17 and 204,816.19
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Solution
The fourth proportional to 357,783.07, 493,730.17 and 204,816.19 is: 282,640.35
Step by Step Solution
- Step 1: Write the proportion equation
357,783.07 : 493,730.17 = 204,816.19 : x - Step 2: Convert to fraction form
357,783.07/493,730.17 = 204,816.19/x - Step 3: Cross multiply
357,783.07x = 493,730.17 × 204,816.19 - Step 4: Simplify right side
357,783.07x = 101,123,932,307.45 - Step 5: Solve for x
x = 101,123,932,307.45/357,783.07 - Step 6: Final answer
x = 282,640.35
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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.