Finding the Fourth Proportional to 343,594.70, 474,202.76 and 198,400.11
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Solution
The fourth proportional to 343,594.70, 474,202.76 and 198,400.11 is: 273,816.45
Step by Step Solution
- Step 1: Write the proportion equation
343,594.70 : 474,202.76 = 198,400.11 : x - Step 2: Convert to fraction form
343,594.70/474,202.76 = 198,400.11/x - Step 3: Cross multiply
343,594.70x = 474,202.76 × 198,400.11 - Step 4: Simplify right side
343,594.70x = 94,081,878,754.30 - Step 5: Solve for x
x = 94,081,878,754.30/343,594.70 - Step 6: Final answer
x = 273,816.45
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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.