Finding the Fourth Proportional to 138,235.59, 207,351.99 and 63,334.53
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Solution
The fourth proportional to 138,235.59, 207,351.99 and 63,334.53 is: 95,001.16
Step by Step Solution
- Step 1: Write the proportion equation
138,235.59 : 207,351.99 = 63,334.53 : x - Step 2: Convert to fraction form
138,235.59/207,351.99 = 63,334.53/x - Step 3: Cross multiply
138,235.59x = 207,351.99 × 63,334.53 - Step 4: Simplify right side
138,235.59x = 13,132,540,831.21 - Step 5: Solve for x
x = 13,132,540,831.21/138,235.59 - Step 6: Final answer
x = 95,001.16
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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.