Finding the Fourth Proportional to 163,477.08, 225,625.11 and 136,209.90
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Solution
The fourth proportional to 163,477.08, 225,625.11 and 136,209.90 is: 187,991.94
Step by Step Solution
- Step 1: Write the proportion equation
163,477.08 : 225,625.11 = 136,209.90 : x - Step 2: Convert to fraction form
163,477.08/225,625.11 = 136,209.90/x - Step 3: Cross multiply
163,477.08x = 225,625.11 × 136,209.90 - Step 4: Simplify right side
163,477.08x = 30,732,373,670.59 - Step 5: Solve for x
x = 30,732,373,670.59/163,477.08 - Step 6: Final answer
x = 187,991.94
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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.