Finding the Fourth Proportional to 211,864.76, 292,372.12 and 115,067.53
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Solution
The fourth proportional to 211,864.76, 292,372.12 and 115,067.53 is: 158,792.51
Step by Step Solution
- Step 1: Write the proportion equation
211,864.76 : 292,372.12 = 115,067.53 : x - Step 2: Convert to fraction form
211,864.76/292,372.12 = 115,067.53/x - Step 3: Cross multiply
211,864.76x = 292,372.12 × 115,067.53 - Step 4: Simplify right side
211,864.76x = 33,642,537,689.26 - Step 5: Solve for x
x = 33,642,537,689.26/211,864.76 - Step 6: Final answer
x = 158,792.51
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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.