Finding the Fourth Proportional to 165,726.60, 248,201.10 and 112,849.80
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Solution
The fourth proportional to 165,726.60, 248,201.10 and 112,849.80 is: 169,009.95
Step by Step Solution
- Step 1: Write the proportion equation
165,726.60 : 248,201.10 = 112,849.80 : x - Step 2: Convert to fraction form
165,726.60/248,201.10 = 112,849.80/x - Step 3: Cross multiply
165,726.60x = 248,201.10 × 112,849.80 - Step 4: Simplify right side
165,726.60x = 28,009,444,494.78 - Step 5: Solve for x
x = 28,009,444,494.78/165,726.60 - Step 6: Final answer
x = 169,009.95
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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.