Finding the Fourth Proportional to 126,398.48, 189,545.12 and 51,467.80
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Solution
The fourth proportional to 126,398.48, 189,545.12 and 51,467.80 is: 77,180.28
Step by Step Solution
- Step 1: Write the proportion equation
126,398.48 : 189,545.12 = 51,467.80 : x - Step 2: Convert to fraction form
126,398.48/189,545.12 = 51,467.80/x - Step 3: Cross multiply
126,398.48x = 189,545.12 × 51,467.80 - Step 4: Simplify right side
126,398.48x = 9,755,470,327.14 - Step 5: Solve for x
x = 9,755,470,327.14/126,398.48 - Step 6: Final answer
x = 77,180.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.