Finding the Fourth Proportional to 180,353.09, 248,966.99 and 107,781.59
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Solution
The fourth proportional to 180,353.09, 248,966.99 and 107,781.59 is: 148,786.23
Step by Step Solution
- Step 1: Write the proportion equation
180,353.09 : 248,966.99 = 107,781.59 : x - Step 2: Convert to fraction form
180,353.09/248,966.99 = 107,781.59/x - Step 3: Cross multiply
180,353.09x = 248,966.99 × 107,781.59 - Step 4: Simplify right side
180,353.09x = 26,834,056,255.97 - Step 5: Solve for x
x = 26,834,056,255.97/180,353.09 - Step 6: Final answer
x = 148,786.23
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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.