Finding the Fourth Proportional to 348,163.13, 522,478.17 and 126,547.13
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Solution
The fourth proportional to 348,163.13, 522,478.17 and 126,547.13 is: 189,905.55
Step by Step Solution
- Step 1: Write the proportion equation
348,163.13 : 522,478.17 = 126,547.13 : x - Step 2: Convert to fraction form
348,163.13/522,478.17 = 126,547.13/x - Step 3: Cross multiply
348,163.13x = 522,478.17 × 126,547.13 - Step 4: Simplify right side
348,163.13x = 66,118,110,288.76 - Step 5: Solve for x
x = 66,118,110,288.76/348,163.13 - Step 6: Final answer
x = 189,905.55
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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.