Finding the Fourth Proportional to 432,196.19, 648,396.12 and 147,889.84
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Solution
The fourth proportional to 432,196.19, 648,396.12 and 147,889.84 is: 221,869.61
Step by Step Solution
- Step 1: Write the proportion equation
432,196.19 : 648,396.12 = 147,889.84 : x - Step 2: Convert to fraction form
432,196.19/648,396.12 = 147,889.84/x - Step 3: Cross multiply
432,196.19x = 648,396.12 × 147,889.84 - Step 4: Simplify right side
432,196.19x = 95,891,198,443.42 - Step 5: Solve for x
x = 95,891,198,443.42/432,196.19 - Step 6: Final answer
x = 221,869.61
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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.