Finding the Fourth Proportional to 122,378.15, 183,394.92 and 97,306.92
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Solution
The fourth proportional to 122,378.15, 183,394.92 and 97,306.92 is: 145,823.37
Step by Step Solution
- Step 1: Write the proportion equation
122,378.15 : 183,394.92 = 97,306.92 : x - Step 2: Convert to fraction form
122,378.15/183,394.92 = 97,306.92/x - Step 3: Cross multiply
122,378.15x = 183,394.92 × 97,306.92 - Step 4: Simplify right side
122,378.15x = 17,845,594,808.85 - Step 5: Solve for x
x = 17,845,594,808.85/122,378.15 - Step 6: Final answer
x = 145,823.37
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1.5x scale
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.