Finding the Fourth Proportional to 234,688.29, 351,876.88 and 84,909.09
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Solution
The fourth proportional to 234,688.29, 351,876.88 and 84,909.09 is: 127,307.35
Step by Step Solution
- Step 1: Write the proportion equation
234,688.29 : 351,876.88 = 84,909.09 : x - Step 2: Convert to fraction form
234,688.29/351,876.88 = 84,909.09/x - Step 3: Cross multiply
234,688.29x = 351,876.88 × 84,909.09 - Step 4: Simplify right side
234,688.29x = 29,877,544,368.36 - Step 5: Solve for x
x = 29,877,544,368.36/234,688.29 - Step 6: Final answer
x = 127,307.35
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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.