Finding the Fourth Proportional to 98,010.27, 147,048.21 and 38,862.99
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Solution
The fourth proportional to 98,010.27, 147,048.21 and 38,862.99 is: 58,307.49
Step by Step Solution
- Step 1: Write the proportion equation
98,010.27 : 147,048.21 = 38,862.99 : x - Step 2: Convert to fraction form
98,010.27/147,048.21 = 38,862.99/x - Step 3: Cross multiply
98,010.27x = 147,048.21 × 38,862.99 - Step 4: Simplify right side
98,010.27x = 5,714,733,114.75 - Step 5: Solve for x
x = 5,714,733,114.75/98,010.27 - Step 6: Final answer
x = 58,307.49
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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.