Finding the Fourth Proportional to 345,655.68, 518,481.08 and 96,337.68
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Solution
The fourth proportional to 345,655.68, 518,481.08 and 96,337.68 is: 144,505.84
Step by Step Solution
- Step 1: Write the proportion equation
345,655.68 : 518,481.08 = 96,337.68 : x - Step 2: Convert to fraction form
345,655.68/518,481.08 = 96,337.68/x - Step 3: Cross multiply
345,655.68x = 518,481.08 × 96,337.68 - Step 4: Simplify right side
345,655.68x = 49,949,264,371.09 - Step 5: Solve for x
x = 49,949,264,371.09/345,655.68 - Step 6: Final answer
x = 144,505.84
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1.5x scale
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.