Finding the Fourth Proportional to 98,768.34, 148,126.14 and 27,686.70
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Solution
The fourth proportional to 98,768.34, 148,126.14 and 27,686.70 is: 41,522.66
Step by Step Solution
- Step 1: Write the proportion equation
98,768.34 : 148,126.14 = 27,686.70 : x - Step 2: Convert to fraction form
98,768.34/148,126.14 = 27,686.70/x - Step 3: Cross multiply
98,768.34x = 148,126.14 × 27,686.70 - Step 4: Simplify right side
98,768.34x = 4,101,124,000.34 - Step 5: Solve for x
x = 4,101,124,000.34/98,768.34 - Step 6: Final answer
x = 41,522.66
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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.