Finding the Fourth Proportional to 247,478.78, 341,521.08 and 134,301.62
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Solution
The fourth proportional to 247,478.78, 341,521.08 and 134,301.62 is: 185,336.43
Step by Step Solution
- Step 1: Write the proportion equation
247,478.78 : 341,521.08 = 134,301.62 : x - Step 2: Convert to fraction form
247,478.78/341,521.08 = 134,301.62/x - Step 3: Cross multiply
247,478.78x = 341,521.08 × 134,301.62 - Step 4: Simplify right side
247,478.78x = 45,866,834,308.15 - Step 5: Solve for x
x = 45,866,834,308.15/247,478.78 - Step 6: Final answer
x = 185,336.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.