Finding the Fourth Proportional to 171,202.71, 236,266.21 and 93,683.58
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Solution
The fourth proportional to 171,202.71, 236,266.21 and 93,683.58 is: 129,286.88
Step by Step Solution
- Step 1: Write the proportion equation
171,202.71 : 236,266.21 = 93,683.58 : x - Step 2: Convert to fraction form
171,202.71/236,266.21 = 93,683.58/x - Step 3: Cross multiply
171,202.71x = 236,266.21 × 93,683.58 - Step 4: Simplify right side
171,202.71x = 22,134,264,385.83 - Step 5: Solve for x
x = 22,134,264,385.83/171,202.71 - Step 6: Final answer
x = 129,286.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.