Finding the Fourth Proportional to 346,834.01, 478,691.84 and 201,684.71
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Solution
The fourth proportional to 346,834.01, 478,691.84 and 201,684.71 is: 278,360.31
Step by Step Solution
- Step 1: Write the proportion equation
346,834.01 : 478,691.84 = 201,684.71 : x - Step 2: Convert to fraction form
346,834.01/478,691.84 = 201,684.71/x - Step 3: Cross multiply
346,834.01x = 478,691.84 × 201,684.71 - Step 4: Simplify right side
346,834.01x = 96,544,821,527.88 - Step 5: Solve for x
x = 96,544,821,527.88/346,834.01 - Step 6: Final answer
x = 278,360.31
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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.