Finding the Fourth Proportional to 134,775.60, 202,187.70 and 55,897.80
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Solution
The fourth proportional to 134,775.60, 202,187.70 and 55,897.80 is: 83,856.78
Step by Step Solution
- Step 1: Write the proportion equation
134,775.60 : 202,187.70 = 55,897.80 : x - Step 2: Convert to fraction form
134,775.60/202,187.70 = 55,897.80/x - Step 3: Cross multiply
134,775.60x = 202,187.70 × 55,897.80 - Step 4: Simplify right side
134,775.60x = 11,301,847,617.06 - Step 5: Solve for x
x = 11,301,847,617.06/134,775.60 - Step 6: Final answer
x = 83,856.78
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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.