Finding the Fourth Proportional to 515,552.09, 773,319.62 and 211,884.71
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Solution
The fourth proportional to 515,552.09, 773,319.62 and 211,884.71 is: 317,823.56
Step by Step Solution
- Step 1: Write the proportion equation
515,552.09 : 773,319.62 = 211,884.71 : x - Step 2: Convert to fraction form
515,552.09/773,319.62 = 211,884.71/x - Step 3: Cross multiply
515,552.09x = 773,319.62 × 211,884.71 - Step 4: Simplify right side
515,552.09x = 163,854,598,494.99 - Step 5: Solve for x
x = 163,854,598,494.99/515,552.09 - Step 6: Final answer
x = 317,823.56
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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.