Finding the Fourth Proportional to 449,632.92, 674,781.99 and 212,976.13
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Solution
The fourth proportional to 449,632.92, 674,781.99 and 212,976.13 is: 319,621.74
Step by Step Solution
- Step 1: Write the proportion equation
449,632.92 : 674,781.99 = 212,976.13 : x - Step 2: Convert to fraction form
449,632.92/674,781.99 = 212,976.13/x - Step 3: Cross multiply
449,632.92x = 674,781.99 × 212,976.13 - Step 4: Simplify right side
449,632.92x = 143,712,455,759.02 - Step 5: Solve for x
x = 143,712,455,759.02/449,632.92 - Step 6: Final answer
x = 319,621.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.