Finding the Fourth Proportional to 156,187.70, 234,279.44 and 37,860.08
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Solution
The fourth proportional to 156,187.70, 234,279.44 and 37,860.08 is: 56,789.61
Step by Step Solution
- Step 1: Write the proportion equation
156,187.70 : 234,279.44 = 37,860.08 : x - Step 2: Convert to fraction form
156,187.70/234,279.44 = 37,860.08/x - Step 3: Cross multiply
156,187.70x = 234,279.44 × 37,860.08 - Step 4: Simplify right side
156,187.70x = 8,869,838,340.76 - Step 5: Solve for x
x = 8,869,838,340.76/156,187.70 - Step 6: Final answer
x = 56,789.61
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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.