Finding the Fourth Proportional to 286,616.68, 429,418.70 and 174,067.08
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Solution
The fourth proportional to 286,616.68, 429,418.70 and 174,067.08 is: 260,793.12
Step by Step Solution
- Step 1: Write the proportion equation
286,616.68 : 429,418.70 = 174,067.08 : x - Step 2: Convert to fraction form
286,616.68/429,418.70 = 174,067.08/x - Step 3: Cross multiply
286,616.68x = 429,418.70 × 174,067.08 - Step 4: Simplify right side
286,616.68x = 74,747,659,206.40 - Step 5: Solve for x
x = 74,747,659,206.40/286,616.68 - Step 6: Final answer
x = 260,793.12
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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.