Finding the Fourth Proportional to 656,398.65, 984,598.16 and 207,154.68
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Solution
The fourth proportional to 656,398.65, 984,598.16 and 207,154.68 is: 310,732.08
Step by Step Solution
- Step 1: Write the proportion equation
656,398.65 : 984,598.16 = 207,154.68 : x - Step 2: Convert to fraction form
656,398.65/984,598.16 = 207,154.68/x - Step 3: Cross multiply
656,398.65x = 984,598.16 × 207,154.68 - Step 4: Simplify right side
656,398.65x = 203,964,117,573.74 - Step 5: Solve for x
x = 203,964,117,573.74/656,398.65 - Step 6: Final answer
x = 310,732.08
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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.