Finding the Fourth Proportional to 156,963.80, 235,445.70 and 146,595.80
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Solution
The fourth proportional to 156,963.80, 235,445.70 and 146,595.80 is: 219,893.70
Step by Step Solution
- Step 1: Write the proportion equation
156,963.80 : 235,445.70 = 146,595.80 : x - Step 2: Convert to fraction form
156,963.80/235,445.70 = 146,595.80/x - Step 3: Cross multiply
156,963.80x = 235,445.70 × 146,595.80 - Step 4: Simplify right side
156,963.80x = 34,515,350,748.06 - Step 5: Solve for x
x = 34,515,350,748.06/156,963.80 - Step 6: Final answer
x = 219,893.70
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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.