Finding the Fourth Proportional to 272,216.07, 375,648.33 and 149,707.41
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Solution
The fourth proportional to 272,216.07, 375,648.33 and 149,707.41 is: 206,590.81
Step by Step Solution
- Step 1: Write the proportion equation
272,216.07 : 375,648.33 = 149,707.41 : x - Step 2: Convert to fraction form
272,216.07/375,648.33 = 149,707.41/x - Step 3: Cross multiply
272,216.07x = 375,648.33 × 149,707.41 - Step 4: Simplify right side
272,216.07x = 56,237,338,555.13 - Step 5: Solve for x
x = 56,237,338,555.13/272,216.07 - Step 6: Final answer
x = 206,590.81
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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.