Finding the Fourth Proportional to 432,146.16, 648,258.12 and 221,649.84
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Solution
The fourth proportional to 432,146.16, 648,258.12 and 221,649.84 is: 332,494.70
Step by Step Solution
- Step 1: Write the proportion equation
432,146.16 : 648,258.12 = 221,649.84 : x - Step 2: Convert to fraction form
432,146.16/648,258.12 = 221,649.84/x - Step 3: Cross multiply
432,146.16x = 648,258.12 × 221,649.84 - Step 4: Simplify right side
432,146.16x = 143,686,308,576.70 - Step 5: Solve for x
x = 143,686,308,576.70/432,146.16 - Step 6: Final answer
x = 332,494.70
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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.