Finding the Fourth Proportional to 156,963.40, 235,445.10 and 104,201.80
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Solution
The fourth proportional to 156,963.40, 235,445.10 and 104,201.80 is: 156,302.70
Step by Step Solution
- Step 1: Write the proportion equation
156,963.40 : 235,445.10 = 104,201.80 : x - Step 2: Convert to fraction form
156,963.40/235,445.10 = 104,201.80/x - Step 3: Cross multiply
156,963.40x = 235,445.10 × 104,201.80 - Step 4: Simplify right side
156,963.40x = 24,533,803,221.18 - Step 5: Solve for x
x = 24,533,803,221.18/156,963.40 - Step 6: Final answer
x = 156,302.70
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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.