Finding the Fourth Proportional to 377,387.40, 520,793.83 and 207,621.12
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Solution
The fourth proportional to 377,387.40, 520,793.83 and 207,621.12 is: 286,516.71
Step by Step Solution
- Step 1: Write the proportion equation
377,387.40 : 520,793.83 = 207,621.12 : x - Step 2: Convert to fraction form
377,387.40/520,793.83 = 207,621.12/x - Step 3: Cross multiply
377,387.40x = 520,793.83 × 207,621.12 - Step 4: Simplify right side
377,387.40x = 108,127,795,150.67 - Step 5: Solve for x
x = 108,127,795,150.67/377,387.40 - Step 6: Final answer
x = 286,516.71
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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.