Finding the Fourth Proportional to 353,057.84, 529,582.08 and 86,820.76
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Solution
The fourth proportional to 353,057.84, 529,582.08 and 86,820.76 is: 130,229.99
Step by Step Solution
- Step 1: Write the proportion equation
353,057.84 : 529,582.08 = 86,820.76 : x - Step 2: Convert to fraction form
353,057.84/529,582.08 = 86,820.76/x - Step 3: Cross multiply
353,057.84x = 529,582.08 × 86,820.76 - Step 4: Simplify right side
353,057.84x = 45,978,718,667.98 - Step 5: Solve for x
x = 45,978,718,667.98/353,057.84 - Step 6: Final answer
x = 130,229.99
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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.