Finding the Fourth Proportional to 349,920.43, 524,963.94 and 113,263.09
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Solution
The fourth proportional to 349,920.43, 524,963.94 and 113,263.09 is: 169,921.60
Step by Step Solution
- Step 1: Write the proportion equation
349,920.43 : 524,963.94 = 113,263.09 : x - Step 2: Convert to fraction form
349,920.43/524,963.94 = 113,263.09/x - Step 3: Cross multiply
349,920.43x = 524,963.94 × 113,263.09 - Step 4: Simplify right side
349,920.43x = 59,459,037,982.97 - Step 5: Solve for x
x = 59,459,037,982.97/349,920.43 - Step 6: Final answer
x = 169,921.60
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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.