Finding the Fourth Proportional to 97,620.60, 146,430.84 and 84,433.80
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Solution
The fourth proportional to 97,620.60, 146,430.84 and 84,433.80 is: 126,650.65
Step by Step Solution
- Step 1: Write the proportion equation
97,620.60 : 146,430.84 = 84,433.80 : x - Step 2: Convert to fraction form
97,620.60/146,430.84 = 84,433.80/x - Step 3: Cross multiply
97,620.60x = 146,430.84 × 84,433.80 - Step 4: Simplify right side
97,620.60x = 12,363,712,258.39 - Step 5: Solve for x
x = 12,363,712,258.39/97,620.60 - Step 6: Final answer
x = 126,650.65
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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.