Finding the Fourth Proportional to 97,210.52, 145,815.84 and 27,091.68
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Solution
The fourth proportional to 97,210.52, 145,815.84 and 27,091.68 is: 40,637.54
Step by Step Solution
- Step 1: Write the proportion equation
97,210.52 : 145,815.84 = 27,091.68 : x - Step 2: Convert to fraction form
97,210.52/145,815.84 = 27,091.68/x - Step 3: Cross multiply
97,210.52x = 145,815.84 × 27,091.68 - Step 4: Simplify right side
97,210.52x = 3,950,396,076.21 - Step 5: Solve for x
x = 3,950,396,076.21/97,210.52 - Step 6: Final answer
x = 40,637.54
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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.