Finding the Fourth Proportional to 191,331.99, 287,062.57 and 84,701.23
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Solution
The fourth proportional to 191,331.99, 287,062.57 and 84,701.23 is: 127,080.44
Step by Step Solution
- Step 1: Write the proportion equation
191,331.99 : 287,062.57 = 84,701.23 : x - Step 2: Convert to fraction form
191,331.99/287,062.57 = 84,701.23/x - Step 3: Cross multiply
191,331.99x = 287,062.57 × 84,701.23 - Step 4: Simplify right side
191,331.99x = 24,314,552,342.45 - Step 5: Solve for x
x = 24,314,552,342.45/191,331.99 - Step 6: Final answer
x = 127,080.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.