Finding the Fourth Proportional to 746,903.20, 1,120,354.80 and 185,937.70
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Solution
The fourth proportional to 746,903.20, 1,120,354.80 and 185,937.70 is: 278,906.55
Step by Step Solution
- Step 1: Write the proportion equation
746,903.20 : 1,120,354.80 = 185,937.70 : x - Step 2: Convert to fraction form
746,903.20/1,120,354.80 = 185,937.70/x - Step 3: Cross multiply
746,903.20x = 1,120,354.80 × 185,937.70 - Step 4: Simplify right side
746,903.20x = 208,316,194,695.96 - Step 5: Solve for x
x = 208,316,194,695.96/746,903.20 - Step 6: Final answer
x = 278,906.55
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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.