Finding the Fourth Proportional to 515,169.73, 772,209.19 and 173,287.70
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Solution
The fourth proportional to 515,169.73, 772,209.19 and 173,287.70 is: 259,748.09
Step by Step Solution
- Step 1: Write the proportion equation
515,169.73 : 772,209.19 = 173,287.70 : x - Step 2: Convert to fraction form
515,169.73/772,209.19 = 173,287.70/x - Step 3: Cross multiply
515,169.73x = 772,209.19 × 173,287.70 - Step 4: Simplify right side
515,169.73x = 133,814,349,726.48 - Step 5: Solve for x
x = 133,814,349,726.48/515,169.73 - Step 6: Final answer
x = 259,748.09
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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.