Finding the Fourth Proportional to 122,294.36, 168,768.06 and 71,305.70
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Solution
The fourth proportional to 122,294.36, 168,768.06 and 71,305.70 is: 98,402.94
Step by Step Solution
- Step 1: Write the proportion equation
122,294.36 : 168,768.06 = 71,305.70 : x - Step 2: Convert to fraction form
122,294.36/168,768.06 = 71,305.70/x - Step 3: Cross multiply
122,294.36x = 168,768.06 × 71,305.70 - Step 4: Simplify right side
122,294.36x = 12,034,124,655.94 - Step 5: Solve for x
x = 12,034,124,655.94/122,294.36 - Step 6: Final answer
x = 98,402.94
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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.