Finding the Fourth Proportional to 426,089.23, 639,133.08 and 248,471.68
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Solution
The fourth proportional to 426,089.23, 639,133.08 and 248,471.68 is: 372,707.07
Step by Step Solution
- Step 1: Write the proportion equation
426,089.23 : 639,133.08 = 248,471.68 : x - Step 2: Convert to fraction form
426,089.23/639,133.08 = 248,471.68/x - Step 3: Cross multiply
426,089.23x = 639,133.08 × 248,471.68 - Step 4: Simplify right side
426,089.23x = 158,806,470,131.17 - Step 5: Solve for x
x = 158,806,470,131.17/426,089.23 - Step 6: Final answer
x = 372,707.07
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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.