Finding the Fourth Proportional to 349,916.43, 524,957.94 and 113,259.09
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Solution
The fourth proportional to 349,916.43, 524,957.94 and 113,259.09 is: 169,915.60
Step by Step Solution
- Step 1: Write the proportion equation
349,916.43 : 524,957.94 = 113,259.09 : x - Step 2: Convert to fraction form
349,916.43/524,957.94 = 113,259.09/x - Step 3: Cross multiply
349,916.43x = 524,957.94 × 113,259.09 - Step 4: Simplify right side
349,916.43x = 59,456,258,572.67 - Step 5: Solve for x
x = 59,456,258,572.67/349,916.43 - Step 6: Final answer
x = 169,915.60
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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.