Finding the Fourth Proportional to 211,111.41, 291,333.86 and 115,618.08
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Solution
The fourth proportional to 211,111.41, 291,333.86 and 115,618.08 is: 159,553.02
Step by Step Solution
- Step 1: Write the proportion equation
211,111.41 : 291,333.86 = 115,618.08 : x - Step 2: Convert to fraction form
211,111.41/291,333.86 = 115,618.08/x - Step 3: Cross multiply
211,111.41x = 291,333.86 × 115,618.08 - Step 4: Simplify right side
211,111.41x = 33,683,463,130.52 - Step 5: Solve for x
x = 33,683,463,130.52/211,111.41 - Step 6: Final answer
x = 159,553.02
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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.