Finding the Fourth Proportional to 146,403.84, 202,037.16 and 79,335.84
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Solution
The fourth proportional to 146,403.84, 202,037.16 and 79,335.84 is: 109,483.38
Step by Step Solution
- Step 1: Write the proportion equation
146,403.84 : 202,037.16 = 79,335.84 : x - Step 2: Convert to fraction form
146,403.84/202,037.16 = 79,335.84/x - Step 3: Cross multiply
146,403.84x = 202,037.16 × 79,335.84 - Step 4: Simplify right side
146,403.84x = 16,028,787,799.81 - Step 5: Solve for x
x = 16,028,787,799.81/146,403.84 - Step 6: Final answer
x = 109,483.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.