Finding the Fourth Proportional to 98,508.27, 147,822.15 and 39,338.99
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Solution
The fourth proportional to 98,508.27, 147,822.15 and 39,338.99 is: 59,032.34
Step by Step Solution
- Step 1: Write the proportion equation
98,508.27 : 147,822.15 = 39,338.99 : x - Step 2: Convert to fraction form
98,508.27/147,822.15 = 39,338.99/x - Step 3: Cross multiply
98,508.27x = 147,822.15 × 39,338.99 - Step 4: Simplify right side
98,508.27x = 5,815,174,080.63 - Step 5: Solve for x
x = 5,815,174,080.63/98,508.27 - Step 6: Final answer
x = 59,032.34
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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.