Finding the Fourth Proportional to 324,402.48, 486,708.06 and 155,935.08
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Solution
The fourth proportional to 324,402.48, 486,708.06 and 155,935.08 is: 233,952.77
Step by Step Solution
- Step 1: Write the proportion equation
324,402.48 : 486,708.06 = 155,935.08 : x - Step 2: Convert to fraction form
324,402.48/486,708.06 = 155,935.08/x - Step 3: Cross multiply
324,402.48x = 486,708.06 × 155,935.08 - Step 4: Simplify right side
324,402.48x = 75,894,860,272.74 - Step 5: Solve for x
x = 75,894,860,272.74/324,402.48 - Step 6: Final answer
x = 233,952.77
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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.