Finding the Fourth Proportional to 404,659.13, 606,931.09 and 164,877.62
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Solution
The fourth proportional to 404,659.13, 606,931.09 and 164,877.62 is: 247,292.95
Step by Step Solution
- Step 1: Write the proportion equation
404,659.13 : 606,931.09 = 164,877.62 : x - Step 2: Convert to fraction form
404,659.13/606,931.09 = 164,877.62/x - Step 3: Cross multiply
404,659.13x = 606,931.09 × 164,877.62 - Step 4: Simplify right side
404,659.13x = 100,069,350,176.36 - Step 5: Solve for x
x = 100,069,350,176.36/404,659.13 - Step 6: Final answer
x = 247,292.95
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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.