Finding the Fourth Proportional to 437,387.91, 603,601.40 and 243,790.26
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Solution
The fourth proportional to 437,387.91, 603,601.40 and 243,790.26 is: 336,433.95
Step by Step Solution
- Step 1: Write the proportion equation
437,387.91 : 603,601.40 = 243,790.26 : x - Step 2: Convert to fraction form
437,387.91/603,601.40 = 243,790.26/x - Step 3: Cross multiply
437,387.91x = 603,601.40 × 243,790.26 - Step 4: Simplify right side
437,387.91x = 147,152,141,023.41 - Step 5: Solve for x
x = 147,152,141,023.41/437,387.91 - Step 6: Final answer
x = 336,433.95
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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.