Finding the Fourth Proportional to 352,710.09, 486,408.38 and 272,009.79
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Solution
The fourth proportional to 352,710.09, 486,408.38 and 272,009.79 is: 375,117.82
Step by Step Solution
- Step 1: Write the proportion equation
352,710.09 : 486,408.38 = 272,009.79 : x - Step 2: Convert to fraction form
352,710.09/486,408.38 = 272,009.79/x - Step 3: Cross multiply
352,710.09x = 486,408.38 × 272,009.79 - Step 4: Simplify right side
352,710.09x = 132,307,839,937.99 - Step 5: Solve for x
x = 132,307,839,937.99/352,710.09 - Step 6: Final answer
x = 375,117.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.