Finding the Fourth Proportional to 349,781.86, 524,614.11 and 97,088.05
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Solution
The fourth proportional to 349,781.86, 524,614.11 and 97,088.05 is: 145,615.79
Step by Step Solution
- Step 1: Write the proportion equation
349,781.86 : 524,614.11 = 97,088.05 : x - Step 2: Convert to fraction form
349,781.86/524,614.11 = 97,088.05/x - Step 3: Cross multiply
349,781.86x = 524,614.11 × 97,088.05 - Step 4: Simplify right side
349,781.86x = 50,933,760,942.39 - Step 5: Solve for x
x = 50,933,760,942.39/349,781.86 - Step 6: Final answer
x = 145,615.79
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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.