Finding the Fourth Proportional to 537,182.88, 805,866.12 and 221,467.20
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Solution
The fourth proportional to 537,182.88, 805,866.12 and 221,467.20 is: 332,238.65
Step by Step Solution
- Step 1: Write the proportion equation
537,182.88 : 805,866.12 = 221,467.20 : x - Step 2: Convert to fraction form
537,182.88/805,866.12 = 221,467.20/x - Step 3: Cross multiply
537,182.88x = 805,866.12 × 221,467.20 - Step 4: Simplify right side
537,182.88x = 178,472,913,171.26 - Step 5: Solve for x
x = 178,472,913,171.26/537,182.88 - Step 6: Final answer
x = 332,238.65
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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.