Finding the Fourth Proportional to 110,266.60, 165,356.70 and 40,109.80
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Solution
The fourth proportional to 110,266.60, 165,356.70 and 40,109.80 is: 60,148.99
Step by Step Solution
- Step 1: Write the proportion equation
110,266.60 : 165,356.70 = 40,109.80 : x - Step 2: Convert to fraction form
110,266.60/165,356.70 = 40,109.80/x - Step 3: Cross multiply
110,266.60x = 165,356.70 × 40,109.80 - Step 4: Simplify right side
110,266.60x = 6,632,424,165.66 - Step 5: Solve for x
x = 6,632,424,165.66/110,266.60 - Step 6: Final answer
x = 60,148.99
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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.