Finding the Fourth Proportional to 180,622.70, 270,934.05 and 117,637.10
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Solution
The fourth proportional to 180,622.70, 270,934.05 and 117,637.10 is: 176,455.65
Step by Step Solution
- Step 1: Write the proportion equation
180,622.70 : 270,934.05 = 117,637.10 : x - Step 2: Convert to fraction form
180,622.70/270,934.05 = 117,637.10/x - Step 3: Cross multiply
180,622.70x = 270,934.05 × 117,637.10 - Step 4: Simplify right side
180,622.70x = 31,871,895,933.26 - Step 5: Solve for x
x = 31,871,895,933.26/180,622.70 - Step 6: Final answer
x = 176,455.65
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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.