Finding the Fourth Proportional to 493,274.68, 680,720.84 and 266,920.16
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Solution
The fourth proportional to 493,274.68, 680,720.84 and 266,920.16 is: 368,350.78
Step by Step Solution
- Step 1: Write the proportion equation
493,274.68 : 680,720.84 = 266,920.16 : x - Step 2: Convert to fraction form
493,274.68/680,720.84 = 266,920.16/x - Step 3: Cross multiply
493,274.68x = 680,720.84 × 266,920.16 - Step 4: Simplify right side
493,274.68x = 181,698,115,528.13 - Step 5: Solve for x
x = 181,698,115,528.13/493,274.68 - Step 6: Final answer
x = 368,350.78
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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.