Finding the Fourth Proportional to 228,624.58, 342,837.62 and 121,984.75
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Solution
The fourth proportional to 228,624.58, 342,837.62 and 121,984.75 is: 182,924.17
Step by Step Solution
- Step 1: Write the proportion equation
228,624.58 : 342,837.62 = 121,984.75 : x - Step 2: Convert to fraction form
228,624.58/342,837.62 = 121,984.75/x - Step 3: Cross multiply
228,624.58x = 342,837.62 × 121,984.75 - Step 4: Simplify right side
228,624.58x = 41,820,962,294.89 - Step 5: Solve for x
x = 41,820,962,294.89/228,624.58 - Step 6: Final answer
x = 182,924.17
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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.