Finding the Fourth Proportional to 165,302.20, 247,953.30 and 106,204.60
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Solution
The fourth proportional to 165,302.20, 247,953.30 and 106,204.60 is: 159,306.90
Step by Step Solution
- Step 1: Write the proportion equation
165,302.20 : 247,953.30 = 106,204.60 : x - Step 2: Convert to fraction form
165,302.20/247,953.30 = 106,204.60/x - Step 3: Cross multiply
165,302.20x = 247,953.30 × 106,204.60 - Step 4: Simplify right side
165,302.20x = 26,333,781,045.18 - Step 5: Solve for x
x = 26,333,781,045.18/165,302.20 - Step 6: Final answer
x = 159,306.90
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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.