Finding the Fourth Proportional to 148,120.98, 222,139.06 and 48,289.88
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Solution
The fourth proportional to 148,120.98, 222,139.06 and 48,289.88 is: 72,420.99
Step by Step Solution
- Step 1: Write the proportion equation
148,120.98 : 222,139.06 = 48,289.88 : x - Step 2: Convert to fraction form
148,120.98/222,139.06 = 48,289.88/x - Step 3: Cross multiply
148,120.98x = 222,139.06 × 48,289.88 - Step 4: Simplify right side
148,120.98x = 10,727,068,550.71 - Step 5: Solve for x
x = 10,727,068,550.71/148,120.98 - Step 6: Final answer
x = 72,420.99
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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.