Finding the Fourth Proportional to 349,921.43, 524,965.44 and 113,264.09
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Solution
The fourth proportional to 349,921.43, 524,965.44 and 113,264.09 is: 169,923.10
Step by Step Solution
- Step 1: Write the proportion equation
349,921.43 : 524,965.44 = 113,264.09 : x - Step 2: Convert to fraction form
349,921.43/524,965.44 = 113,264.09/x - Step 3: Cross multiply
349,921.43x = 524,965.44 × 113,264.09 - Step 4: Simplify right side
349,921.43x = 59,459,732,843.05 - Step 5: Solve for x
x = 59,459,732,843.05/349,921.43 - Step 6: Final answer
x = 169,923.10
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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.