Finding the Fourth Proportional to 134,605.80, 201,908.70 and 115,906.95
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Solution
The fourth proportional to 134,605.80, 201,908.70 and 115,906.95 is: 173,860.43
Step by Step Solution
- Step 1: Write the proportion equation
134,605.80 : 201,908.70 = 115,906.95 : x - Step 2: Convert to fraction form
134,605.80/201,908.70 = 115,906.95/x - Step 3: Cross multiply
134,605.80x = 201,908.70 × 115,906.95 - Step 4: Simplify right side
134,605.80x = 23,402,621,595.47 - Step 5: Solve for x
x = 23,402,621,595.47/134,605.80 - Step 6: Final answer
x = 173,860.43
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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.