Finding the Fourth Proportional to 245,738.75, 368,751.35 and 103,575.31
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Solution
The fourth proportional to 245,738.75, 368,751.35 and 103,575.31 is: 155,423.33
Step by Step Solution
- Step 1: Write the proportion equation
245,738.75 : 368,751.35 = 103,575.31 : x - Step 2: Convert to fraction form
245,738.75/368,751.35 = 103,575.31/x - Step 3: Cross multiply
245,738.75x = 368,751.35 × 103,575.31 - Step 4: Simplify right side
245,738.75x = 38,193,534,726.23 - Step 5: Solve for x
x = 38,193,534,726.23/245,738.75 - Step 6: Final answer
x = 155,423.33
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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.