Finding the Fourth Proportional to 543,206.13, 749,451.09 and 313,733.13
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Solution
The fourth proportional to 543,206.13, 749,451.09 and 313,733.13 is: 432,851.59
Step by Step Solution
- Step 1: Write the proportion equation
543,206.13 : 749,451.09 = 313,733.13 : x - Step 2: Convert to fraction form
543,206.13/749,451.09 = 313,733.13/x - Step 3: Cross multiply
543,206.13x = 749,451.09 × 313,733.13 - Step 4: Simplify right side
543,206.13x = 235,127,636,247.61 - Step 5: Solve for x
x = 235,127,636,247.61/543,206.13 - Step 6: Final answer
x = 432,851.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.