Finding the Fourth Proportional to 221,833.52, 332,777.76 and 86,880.08
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Solution
The fourth proportional to 221,833.52, 332,777.76 and 86,880.08 is: 130,330.88
Step by Step Solution
- Step 1: Write the proportion equation
221,833.52 : 332,777.76 = 86,880.08 : x - Step 2: Convert to fraction form
221,833.52/332,777.76 = 86,880.08/x - Step 3: Cross multiply
221,833.52x = 332,777.76 × 86,880.08 - Step 4: Simplify right side
221,833.52x = 28,911,758,411.02 - Step 5: Solve for x
x = 28,911,758,411.02/221,833.52 - Step 6: Final answer
x = 130,330.88
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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.