Finding the Fourth Proportional to 292,064.08, 403,046.40 and 157,928.08
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Solution
The fourth proportional to 292,064.08, 403,046.40 and 157,928.08 is: 217,939.65
Step by Step Solution
- Step 1: Write the proportion equation
292,064.08 : 403,046.40 = 157,928.08 : x - Step 2: Convert to fraction form
292,064.08/403,046.40 = 157,928.08/x - Step 3: Cross multiply
292,064.08x = 403,046.40 × 157,928.08 - Step 4: Simplify right side
292,064.08x = 63,652,344,102.91 - Step 5: Solve for x
x = 63,652,344,102.91/292,064.08 - Step 6: Final answer
x = 217,939.65
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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.