Finding the Fourth Proportional to 117,026.40, 175,557.81 and 38,122.26
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Solution
The fourth proportional to 117,026.40, 175,557.81 and 38,122.26 is: 57,189.32
Step by Step Solution
- Step 1: Write the proportion equation
117,026.40 : 175,557.81 = 38,122.26 : x - Step 2: Convert to fraction form
117,026.40/175,557.81 = 38,122.26/x - Step 3: Cross multiply
117,026.40x = 175,557.81 × 38,122.26 - Step 4: Simplify right side
117,026.40x = 6,692,660,477.85 - Step 5: Solve for x
x = 6,692,660,477.85/117,026.40 - Step 6: Final answer
x = 57,189.32
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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.