Finding the Fourth Proportional to 92,379.74, 138,557.70 and 29,206.28
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Solution
The fourth proportional to 92,379.74, 138,557.70 and 29,206.28 is: 43,805.65
Step by Step Solution
- Step 1: Write the proportion equation
92,379.74 : 138,557.70 = 29,206.28 : x - Step 2: Convert to fraction form
92,379.74/138,557.70 = 29,206.28/x - Step 3: Cross multiply
92,379.74x = 138,557.70 × 29,206.28 - Step 4: Simplify right side
92,379.74x = 4,046,754,856.91 - Step 5: Solve for x
x = 4,046,754,856.91/92,379.74 - Step 6: Final answer
x = 43,805.65
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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.