Finding the Fourth Proportional to 164,545.40, 246,623.70 and 122,943.80
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Solution
The fourth proportional to 164,545.40, 246,623.70 and 122,943.80 is: 184,270.45
Step by Step Solution
- Step 1: Write the proportion equation
164,545.40 : 246,623.70 = 122,943.80 : x - Step 2: Convert to fraction form
164,545.40/246,623.70 = 122,943.80/x - Step 3: Cross multiply
164,545.40x = 246,623.70 × 122,943.80 - Step 4: Simplify right side
164,545.40x = 30,320,854,848.06 - Step 5: Solve for x
x = 30,320,854,848.06/164,545.40 - Step 6: Final answer
x = 184,270.45
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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.