Finding the Fourth Proportional to 147,988.36, 221,986.14 and 48,148.84
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Solution
The fourth proportional to 147,988.36, 221,986.14 and 48,148.84 is: 72,224.43
Step by Step Solution
- Step 1: Write the proportion equation
147,988.36 : 221,986.14 = 48,148.84 : x - Step 2: Convert to fraction form
147,988.36/221,986.14 = 48,148.84/x - Step 3: Cross multiply
147,988.36x = 221,986.14 × 48,148.84 - Step 4: Simplify right side
147,988.36x = 10,688,375,137.08 - Step 5: Solve for x
x = 10,688,375,137.08/147,988.36 - Step 6: Final answer
x = 72,224.43
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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.