Finding the Fourth Proportional to 187,984.50, 259,420.62 and 101,943.65
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Solution
The fourth proportional to 187,984.50, 259,420.62 and 101,943.65 is: 140,683.32
Step by Step Solution
- Step 1: Write the proportion equation
187,984.50 : 259,420.62 = 101,943.65 : x - Step 2: Convert to fraction form
187,984.50/259,420.62 = 101,943.65/x - Step 3: Cross multiply
187,984.50x = 259,420.62 × 101,943.65 - Step 4: Simplify right side
187,984.50x = 26,446,283,590.96 - Step 5: Solve for x
x = 26,446,283,590.96/187,984.50 - Step 6: Final answer
x = 140,683.32
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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.