Finding the Fourth Proportional to 245,738.24, 368,607.12 and 77,257.76
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Solution
The fourth proportional to 245,738.24, 368,607.12 and 77,257.76 is: 115,886.56
Step by Step Solution
- Step 1: Write the proportion equation
245,738.24 : 368,607.12 = 77,257.76 : x - Step 2: Convert to fraction form
245,738.24/368,607.12 = 77,257.76/x - Step 3: Cross multiply
245,738.24x = 368,607.12 × 77,257.76 - Step 4: Simplify right side
245,738.24x = 28,477,760,411.25 - Step 5: Solve for x
x = 28,477,760,411.25/245,738.24 - Step 6: Final answer
x = 115,886.56
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1.5x scale
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.