Finding the Fourth Proportional to 118,246.88, 177,365.35 and 55,045.28
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Solution
The fourth proportional to 118,246.88, 177,365.35 and 55,045.28 is: 82,565.61
Step by Step Solution
- Step 1: Write the proportion equation
118,246.88 : 177,365.35 = 55,045.28 : x - Step 2: Convert to fraction form
118,246.88/177,365.35 = 55,045.28/x - Step 3: Cross multiply
118,246.88x = 177,365.35 × 55,045.28 - Step 4: Simplify right side
118,246.88x = 9,763,125,353.05 - Step 5: Solve for x
x = 9,763,125,353.05/118,246.88 - Step 6: Final answer
x = 82,565.61
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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.