Finding the Fourth Proportional to 263,509.84, 363,641.44 and 142,648.68
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Solution
The fourth proportional to 263,509.84, 363,641.44 and 142,648.68 is: 196,854.02
Step by Step Solution
- Step 1: Write the proportion equation
263,509.84 : 363,641.44 = 142,648.68 : x - Step 2: Convert to fraction form
263,509.84/363,641.44 = 142,648.68/x - Step 3: Cross multiply
263,509.84x = 363,641.44 × 142,648.68 - Step 4: Simplify right side
263,509.84x = 51,872,971,409.30 - Step 5: Solve for x
x = 51,872,971,409.30/263,509.84 - Step 6: Final answer
x = 196,854.02
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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.