Finding the Fourth Proportional to 371,140.12, 556,713.30 and 104,894.68
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Solution
The fourth proportional to 371,140.12, 556,713.30 and 104,894.68 is: 157,342.90
Step by Step Solution
- Step 1: Write the proportion equation
371,140.12 : 556,713.30 = 104,894.68 : x - Step 2: Convert to fraction form
371,140.12/556,713.30 = 104,894.68/x - Step 3: Cross multiply
371,140.12x = 556,713.30 × 104,894.68 - Step 4: Simplify right side
371,140.12x = 58,396,263,455.24 - Step 5: Solve for x
x = 58,396,263,455.24/371,140.12 - Step 6: Final answer
x = 157,342.90
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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.