Finding the Fourth Proportional to 322,886.43, 484,403.36 and 98,278.70
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Solution
The fourth proportional to 322,886.43, 484,403.36 and 98,278.70 is: 147,440.49
Step by Step Solution
- Step 1: Write the proportion equation
322,886.43 : 484,403.36 = 98,278.70 : x - Step 2: Convert to fraction form
322,886.43/484,403.36 = 98,278.70/x - Step 3: Cross multiply
322,886.43x = 484,403.36 × 98,278.70 - Step 4: Simplify right side
322,886.43x = 47,606,532,496.43 - Step 5: Solve for x
x = 47,606,532,496.43/322,886.43 - Step 6: Final answer
x = 147,440.49
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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.