Finding the Fourth Proportional to 113,349.92, 156,416.28 and 62,353.94
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Solution
The fourth proportional to 113,349.92, 156,416.28 and 62,353.94 is: 86,044.80
Step by Step Solution
- Step 1: Write the proportion equation
113,349.92 : 156,416.28 = 62,353.94 : x - Step 2: Convert to fraction form
113,349.92/156,416.28 = 62,353.94/x - Step 3: Cross multiply
113,349.92x = 156,416.28 × 62,353.94 - Step 4: Simplify right side
113,349.92x = 9,753,171,338.14 - Step 5: Solve for x
x = 9,753,171,338.14/113,349.92 - Step 6: Final answer
x = 86,044.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.