Finding the Fourth Proportional to 245,370.24, 368,055.42 and 76,890.54
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Solution
The fourth proportional to 245,370.24, 368,055.42 and 76,890.54 is: 115,335.82
Step by Step Solution
- Step 1: Write the proportion equation
245,370.24 : 368,055.42 = 76,890.54 : x - Step 2: Convert to fraction form
245,370.24/368,055.42 = 76,890.54/x - Step 3: Cross multiply
245,370.24x = 368,055.42 × 76,890.54 - Step 4: Simplify right side
245,370.24x = 28,299,978,325.18 - Step 5: Solve for x
x = 28,299,978,325.18/245,370.24 - Step 6: Final answer
x = 115,335.82
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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.