Finding the Fourth Proportional to 117,195.18, 175,752.45 and 38,289.84
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Solution
The fourth proportional to 117,195.18, 175,752.45 and 38,289.84 is: 57,421.59
Step by Step Solution
- Step 1: Write the proportion equation
117,195.18 : 175,752.45 = 38,289.84 : x - Step 2: Convert to fraction form
117,195.18/175,752.45 = 38,289.84/x - Step 3: Cross multiply
117,195.18x = 175,752.45 × 38,289.84 - Step 4: Simplify right side
117,195.18x = 6,729,533,190.11 - Step 5: Solve for x
x = 6,729,533,190.11/117,195.18 - Step 6: Final answer
x = 57,421.59
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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.