Finding the Fourth Proportional to 620,404.05, 930,670.80 and 171,124.99
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Solution
The fourth proportional to 620,404.05, 930,670.80 and 171,124.99 is: 256,705.34
Step by Step Solution
- Step 1: Write the proportion equation
620,404.05 : 930,670.80 = 171,124.99 : x - Step 2: Convert to fraction form
620,404.05/930,670.80 = 171,124.99/x - Step 3: Cross multiply
620,404.05x = 930,670.80 × 171,124.99 - Step 4: Simplify right side
620,404.05x = 159,261,031,343.29 - Step 5: Solve for x
x = 159,261,031,343.29/620,404.05 - Step 6: Final answer
x = 256,705.34
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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.