Finding the Fourth Proportional to 257,382.37, 386,122.06 and 97,506.19
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Solution
The fourth proportional to 257,382.37, 386,122.06 and 97,506.19 is: 146,277.66
Step by Step Solution
- Step 1: Write the proportion equation
257,382.37 : 386,122.06 = 97,506.19 : x - Step 2: Convert to fraction form
257,382.37/386,122.06 = 97,506.19/x - Step 3: Cross multiply
257,382.37x = 386,122.06 × 97,506.19 - Step 4: Simplify right side
257,382.37x = 37,649,290,945.55 - Step 5: Solve for x
x = 37,649,290,945.55/257,382.37 - Step 6: Final answer
x = 146,277.66
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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.