Finding the Fourth Proportional to 537,145.36, 805,602.84 and 221,520.40
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Solution
The fourth proportional to 537,145.36, 805,602.84 and 221,520.40 is: 332,233.09
Step by Step Solution
- Step 1: Write the proportion equation
537,145.36 : 805,602.84 = 221,520.40 : x - Step 2: Convert to fraction form
537,145.36/805,602.84 = 221,520.40/x - Step 3: Cross multiply
537,145.36x = 805,602.84 × 221,520.40 - Step 4: Simplify right side
537,145.36x = 178,457,463,357.94 - Step 5: Solve for x
x = 178,457,463,357.94/537,145.36 - Step 6: Final answer
x = 332,233.09
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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.