Finding the Fourth Proportional to 98,167.13, 147,242.44 and 38,986.91
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Solution
The fourth proportional to 98,167.13, 147,242.44 and 38,986.91 is: 58,477.09
Step by Step Solution
- Step 1: Write the proportion equation
98,167.13 : 147,242.44 = 38,986.91 : x - Step 2: Convert to fraction form
98,167.13/147,242.44 = 38,986.91/x - Step 3: Cross multiply
98,167.13x = 147,242.44 × 38,986.91 - Step 4: Simplify right side
98,167.13x = 5,740,527,756.46 - Step 5: Solve for x
x = 5,740,527,756.46/98,167.13 - Step 6: Final answer
x = 58,477.09
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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.