Finding the Fourth Proportional to 234,317.84, 351,404.12 and 84,538.70
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Solution
The fourth proportional to 234,317.84, 351,404.12 and 84,538.70 is: 126,781.84
Step by Step Solution
- Step 1: Write the proportion equation
234,317.84 : 351,404.12 = 84,538.70 : x - Step 2: Convert to fraction form
234,317.84/351,404.12 = 84,538.70/x - Step 3: Cross multiply
234,317.84x = 351,404.12 × 84,538.70 - Step 4: Simplify right side
234,317.84x = 29,707,247,479.44 - Step 5: Solve for x
x = 29,707,247,479.44/234,317.84 - Step 6: Final answer
x = 126,781.84
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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.