Finding the Fourth Proportional to 117,035.28, 175,511.40 and 42,135.31
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Solution
The fourth proportional to 117,035.28, 175,511.40 and 42,135.31 is: 63,188.02
Step by Step Solution
- Step 1: Write the proportion equation
117,035.28 : 175,511.40 = 42,135.31 : x - Step 2: Convert to fraction form
117,035.28/175,511.40 = 42,135.31/x - Step 3: Cross multiply
117,035.28x = 175,511.40 × 42,135.31 - Step 4: Simplify right side
117,035.28x = 7,395,227,247.53 - Step 5: Solve for x
x = 7,395,227,247.53/117,035.28 - Step 6: Final answer
x = 63,188.02
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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.