Finding the Fourth Proportional to 396,718.84, 594,951.88 and 130,417.98
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Solution
The fourth proportional to 396,718.84, 594,951.88 and 130,417.98 is: 195,585.42
Step by Step Solution
- Step 1: Write the proportion equation
396,718.84 : 594,951.88 = 130,417.98 : x - Step 2: Convert to fraction form
396,718.84/594,951.88 = 130,417.98/x - Step 3: Cross multiply
396,718.84x = 594,951.88 × 130,417.98 - Step 4: Simplify right side
396,718.84x = 77,592,420,074.22 - Step 5: Solve for x
x = 77,592,420,074.22/396,718.84 - Step 6: Final answer
x = 195,585.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.