Finding the Fourth Proportional to 156,929.70, 235,320.35 and 57,020.26
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Solution
The fourth proportional to 156,929.70, 235,320.35 and 57,020.26 is: 85,503.43
Step by Step Solution
- Step 1: Write the proportion equation
156,929.70 : 235,320.35 = 57,020.26 : x - Step 2: Convert to fraction form
156,929.70/235,320.35 = 57,020.26/x - Step 3: Cross multiply
156,929.70x = 235,320.35 × 57,020.26 - Step 4: Simplify right side
156,929.70x = 13,418,027,540.29 - Step 5: Solve for x
x = 13,418,027,540.29/156,929.70 - Step 6: Final answer
x = 85,503.43
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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.