Finding the Fourth Proportional to 380,551.76, 571,181.88 and 193,703.12
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Solution
The fourth proportional to 380,551.76, 571,181.88 and 193,703.12 is: 290,734.99
Step by Step Solution
- Step 1: Write the proportion equation
380,551.76 : 571,181.88 = 193,703.12 : x - Step 2: Convert to fraction form
380,551.76/571,181.88 = 193,703.12/x - Step 3: Cross multiply
380,551.76x = 571,181.88 × 193,703.12 - Step 4: Simplify right side
380,551.76x = 110,639,712,243.47 - Step 5: Solve for x
x = 110,639,712,243.47/380,551.76 - Step 6: Final answer
x = 290,734.99
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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.