Finding the Fourth Proportional to 161,167.92, 241,831.08 and 72,484.08
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Solution
The fourth proportional to 161,167.92, 241,831.08 and 72,484.08 is: 108,761.74
Step by Step Solution
- Step 1: Write the proportion equation
161,167.92 : 241,831.08 = 72,484.08 : x - Step 2: Convert to fraction form
161,167.92/241,831.08 = 72,484.08/x - Step 3: Cross multiply
161,167.92x = 241,831.08 × 72,484.08 - Step 4: Simplify right side
161,167.92x = 17,528,903,349.21 - Step 5: Solve for x
x = 17,528,903,349.21/161,167.92 - Step 6: Final answer
x = 108,761.74
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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.