Finding the Fourth Proportional to 167,688.20, 251,237.04 and 157,699.08
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Solution
The fourth proportional to 167,688.20, 251,237.04 and 157,699.08 is: 236,270.95
Step by Step Solution
- Step 1: Write the proportion equation
167,688.20 : 251,237.04 = 157,699.08 : x - Step 2: Convert to fraction form
167,688.20/251,237.04 = 157,699.08/x - Step 3: Cross multiply
167,688.20x = 251,237.04 × 157,699.08 - Step 4: Simplify right side
167,688.20x = 39,619,850,069.92 - Step 5: Solve for x
x = 39,619,850,069.92/167,688.20 - Step 6: Final answer
x = 236,270.95
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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.