Finding the Fourth Proportional to 118,254.40, 177,403.20 and 48,140.80
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Solution
The fourth proportional to 118,254.40, 177,403.20 and 48,140.80 is: 72,219.99
Step by Step Solution
- Step 1: Write the proportion equation
118,254.40 : 177,403.20 = 48,140.80 : x - Step 2: Convert to fraction form
118,254.40/177,403.20 = 48,140.80/x - Step 3: Cross multiply
118,254.40x = 177,403.20 × 48,140.80 - Step 4: Simplify right side
118,254.40x = 8,540,331,970.56 - Step 5: Solve for x
x = 8,540,331,970.56/118,254.40 - Step 6: Final answer
x = 72,219.99
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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.