Finding the Fourth Proportional to 157,637.20, 236,110.20 and 136,901.20
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Solution
The fourth proportional to 157,637.20, 236,110.20 and 136,901.20 is: 205,051.66
Step by Step Solution
- Step 1: Write the proportion equation
157,637.20 : 236,110.20 = 136,901.20 : x - Step 2: Convert to fraction form
157,637.20/236,110.20 = 136,901.20/x - Step 3: Cross multiply
157,637.20x = 236,110.20 × 136,901.20 - Step 4: Simplify right side
157,637.20x = 32,323,769,712.24 - Step 5: Solve for x
x = 32,323,769,712.24/157,637.20 - Step 6: Final answer
x = 205,051.66
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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.