Finding the Fourth Proportional to 134,512.20, 201,763.98 and 55,603.08
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Solution
The fourth proportional to 134,512.20, 201,763.98 and 55,603.08 is: 83,402.83
Step by Step Solution
- Step 1: Write the proportion equation
134,512.20 : 201,763.98 = 55,603.08 : x - Step 2: Convert to fraction form
134,512.20/201,763.98 = 55,603.08/x - Step 3: Cross multiply
134,512.20x = 201,763.98 × 55,603.08 - Step 4: Simplify right side
134,512.20x = 11,218,698,721.06 - Step 5: Solve for x
x = 11,218,698,721.06/134,512.20 - Step 6: Final answer
x = 83,402.83
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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.