Finding the Fourth Proportional to 153,196.75, 211,325.24 and 91,927.09
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Solution
The fourth proportional to 153,196.75, 211,325.24 and 91,927.09 is: 126,807.61
Step by Step Solution
- Step 1: Write the proportion equation
153,196.75 : 211,325.24 = 91,927.09 : x - Step 2: Convert to fraction form
153,196.75/211,325.24 = 91,927.09/x - Step 3: Cross multiply
153,196.75x = 211,325.24 × 91,927.09 - Step 4: Simplify right side
153,196.75x = 19,426,514,356.75 - Step 5: Solve for x
x = 19,426,514,356.75/153,196.75 - Step 6: Final answer
x = 126,807.61
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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.