Finding the Fourth Proportional to 313,252.20, 469,964.70 and 155,485.80
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Solution
The fourth proportional to 313,252.20, 469,964.70 and 155,485.80 is: 233,271.59
Step by Step Solution
- Step 1: Write the proportion equation
313,252.20 : 469,964.70 = 155,485.80 : x - Step 2: Convert to fraction form
313,252.20/469,964.70 = 155,485.80/x - Step 3: Cross multiply
313,252.20x = 469,964.70 × 155,485.80 - Step 4: Simplify right side
313,252.20x = 73,072,837,351.26 - Step 5: Solve for x
x = 73,072,837,351.26/313,252.20 - Step 6: Final answer
x = 233,271.59
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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.