Finding the Fourth Proportional to 138,403.99, 207,444.69 and 63,532.05
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Solution
The fourth proportional to 138,403.99, 207,444.69 and 63,532.05 is: 95,224.04
Step by Step Solution
- Step 1: Write the proportion equation
138,403.99 : 207,444.69 = 63,532.05 : x - Step 2: Convert to fraction form
138,403.99/207,444.69 = 63,532.05/x - Step 3: Cross multiply
138,403.99x = 207,444.69 × 63,532.05 - Step 4: Simplify right side
138,403.99x = 13,179,386,417.31 - Step 5: Solve for x
x = 13,179,386,417.31/138,403.99 - Step 6: Final answer
x = 95,224.04
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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.