Finding the Fourth Proportional to 107,848.80, 161,715.60 and 37,730.40
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Solution
The fourth proportional to 107,848.80, 161,715.60 and 37,730.40 is: 56,575.45
Step by Step Solution
- Step 1: Write the proportion equation
107,848.80 : 161,715.60 = 37,730.40 : x - Step 2: Convert to fraction form
107,848.80/161,715.60 = 37,730.40/x - Step 3: Cross multiply
107,848.80x = 161,715.60 × 37,730.40 - Step 4: Simplify right side
107,848.80x = 6,101,594,274.24 - Step 5: Solve for x
x = 6,101,594,274.24/107,848.80 - Step 6: Final answer
x = 56,575.45
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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.