Finding the Fourth Proportional to 313,952.76, 471,048.66 and 145,554.36
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Solution
The fourth proportional to 313,952.76, 471,048.66 and 145,554.36 is: 218,386.95
Step by Step Solution
- Step 1: Write the proportion equation
313,952.76 : 471,048.66 = 145,554.36 : x - Step 2: Convert to fraction form
313,952.76/471,048.66 = 145,554.36/x - Step 3: Cross multiply
313,952.76x = 471,048.66 × 145,554.36 - Step 4: Simplify right side
313,952.76x = 68,563,186,235.16 - Step 5: Solve for x
x = 68,563,186,235.16/313,952.76 - Step 6: Final answer
x = 218,386.95
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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.