Finding the Fourth Proportional to 117,447.36, 176,125.80 and 42,545.28
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Solution
The fourth proportional to 117,447.36, 176,125.80 and 42,545.28 is: 63,801.53
Step by Step Solution
- Step 1: Write the proportion equation
117,447.36 : 176,125.80 = 42,545.28 : x - Step 2: Convert to fraction form
117,447.36/176,125.80 = 42,545.28/x - Step 3: Cross multiply
117,447.36x = 176,125.80 × 42,545.28 - Step 4: Simplify right side
117,447.36x = 7,493,321,476.22 - Step 5: Solve for x
x = 7,493,321,476.22/117,447.36 - Step 6: Final answer
x = 63,801.53
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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.