Finding the Fourth Proportional to 117,586.35, 176,328.50 and 42,681.60
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Solution
The fourth proportional to 117,586.35, 176,328.50 and 42,681.60 is: 64,003.88
Step by Step Solution
- Step 1: Write the proportion equation
117,586.35 : 176,328.50 = 42,681.60 : x - Step 2: Convert to fraction form
117,586.35/176,328.50 = 42,681.60/x - Step 3: Cross multiply
117,586.35x = 176,328.50 × 42,681.60 - Step 4: Simplify right side
117,586.35x = 7,525,982,292.19 - Step 5: Solve for x
x = 7,525,982,292.19/117,586.35 - Step 6: Final answer
x = 64,003.88
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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.