Finding the Fourth Proportional to 381,267.84, 571,905.60 and 115,030.56
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Solution
The fourth proportional to 381,267.84, 571,905.60 and 115,030.56 is: 172,547.00
Step by Step Solution
- Step 1: Write the proportion equation
381,267.84 : 571,905.60 = 115,030.56 : x - Step 2: Convert to fraction form
381,267.84/571,905.60 = 115,030.56/x - Step 3: Cross multiply
381,267.84x = 571,905.60 × 115,030.56 - Step 4: Simplify right side
381,267.84x = 65,786,621,435.14 - Step 5: Solve for x
x = 65,786,621,435.14/381,267.84 - Step 6: Final answer
x = 172,547.00
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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.