Finding the Fourth Proportional to 659,938.19, 910,714.66 and 358,132.19
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Solution
The fourth proportional to 659,938.19, 910,714.66 and 358,132.19 is: 494,222.39
Step by Step Solution
- Step 1: Write the proportion equation
659,938.19 : 910,714.66 = 358,132.19 : x - Step 2: Convert to fraction form
659,938.19/910,714.66 = 358,132.19/x - Step 3: Cross multiply
659,938.19x = 910,714.66 × 358,132.19 - Step 4: Simplify right side
659,938.19x = 326,156,230,202.00 - Step 5: Solve for x
x = 326,156,230,202.00/659,938.19 - Step 6: Final answer
x = 494,222.39
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1.5x scale
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.