Finding the Fourth Proportional to 98,660.99, 147,966.88 and 38,701.65
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Solution
The fourth proportional to 98,660.99, 147,966.88 and 38,701.65 is: 58,042.82
Step by Step Solution
- Step 1: Write the proportion equation
98,660.99 : 147,966.88 = 38,701.65 : x - Step 2: Convert to fraction form
98,660.99/147,966.88 = 38,701.65/x - Step 3: Cross multiply
98,660.99x = 147,966.88 × 38,701.65 - Step 4: Simplify right side
98,660.99x = 5,726,562,401.35 - Step 5: Solve for x
x = 5,726,562,401.35/98,660.99 - Step 6: Final answer
x = 58,042.82
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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.