Finding the Fourth Proportional to 147,776.20, 221,352.30 and 97,880.20
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Solution
The fourth proportional to 147,776.20, 221,352.30 and 97,880.20 is: 146,613.65
Step by Step Solution
- Step 1: Write the proportion equation
147,776.20 : 221,352.30 = 97,880.20 : x - Step 2: Convert to fraction form
147,776.20/221,352.30 = 97,880.20/x - Step 3: Cross multiply
147,776.20x = 221,352.30 × 97,880.20 - Step 4: Simplify right side
147,776.20x = 21,666,007,394.46 - Step 5: Solve for x
x = 21,666,007,394.46/147,776.20 - Step 6: Final answer
x = 146,613.65
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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.