Finding the Fourth Proportional to 214,637.80, 322,263.90 and 121,325.80
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Solution
The fourth proportional to 214,637.80, 322,263.90 and 121,325.80 is: 182,162.35
Step by Step Solution
- Step 1: Write the proportion equation
214,637.80 : 322,263.90 = 121,325.80 : x - Step 2: Convert to fraction form
214,637.80/322,263.90 = 121,325.80/x - Step 3: Cross multiply
214,637.80x = 322,263.90 × 121,325.80 - Step 4: Simplify right side
214,637.80x = 39,098,925,478.62 - Step 5: Solve for x
x = 39,098,925,478.62/214,637.80 - Step 6: Final answer
x = 182,162.35
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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.