Finding the Fourth Proportional to 310,072.20, 465,108.30 and 110,617.80
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Solution
The fourth proportional to 310,072.20, 465,108.30 and 110,617.80 is: 165,926.70
Step by Step Solution
- Step 1: Write the proportion equation
310,072.20 : 465,108.30 = 110,617.80 : x - Step 2: Convert to fraction form
310,072.20/465,108.30 = 110,617.80/x - Step 3: Cross multiply
310,072.20x = 465,108.30 × 110,617.80 - Step 4: Simplify right side
310,072.20x = 51,449,256,907.74 - Step 5: Solve for x
x = 51,449,256,907.74/310,072.20 - Step 6: Final answer
x = 165,926.70
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1.5x scale
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.