Finding the Fourth Proportional to 98,209.08, 135,540.02 and 55,188.63
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Solution
The fourth proportional to 98,209.08, 135,540.02 and 55,188.63 is: 76,166.76
Step by Step Solution
- Step 1: Write the proportion equation
98,209.08 : 135,540.02 = 55,188.63 : x - Step 2: Convert to fraction form
98,209.08/135,540.02 = 55,188.63/x - Step 3: Cross multiply
98,209.08x = 135,540.02 × 55,188.63 - Step 4: Simplify right side
98,209.08x = 7,480,267,738.03 - Step 5: Solve for x
x = 7,480,267,738.03/98,209.08 - Step 6: Final answer
x = 76,166.76
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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.