Finding the Fourth Proportional to 297,864.16, 446,154.96 and 139,855.84
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Solution
The fourth proportional to 297,864.16, 446,154.96 and 139,855.84 is: 209,482.66
Step by Step Solution
- Step 1: Write the proportion equation
297,864.16 : 446,154.96 = 139,855.84 : x - Step 2: Convert to fraction form
297,864.16/446,154.96 = 139,855.84/x - Step 3: Cross multiply
297,864.16x = 446,154.96 × 139,855.84 - Step 4: Simplify right side
297,864.16x = 62,397,376,700.97 - Step 5: Solve for x
x = 62,397,376,700.97/297,864.16 - Step 6: Final answer
x = 209,482.66
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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.