Finding the Fourth Proportional to 191,655.52, 264,484.99 and 115,175.79
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Solution
The fourth proportional to 191,655.52, 264,484.99 and 115,175.79 is: 158,942.81
Step by Step Solution
- Step 1: Write the proportion equation
191,655.52 : 264,484.99 = 115,175.79 : x - Step 2: Convert to fraction form
191,655.52/264,484.99 = 115,175.79/x - Step 3: Cross multiply
191,655.52x = 264,484.99 × 115,175.79 - Step 4: Simplify right side
191,655.52x = 30,462,266,386.63 - Step 5: Solve for x
x = 30,462,266,386.63/191,655.52 - Step 6: Final answer
x = 158,942.81
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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.