Finding the Fourth Proportional to 292,372.41, 403,469.58 and 163,312.68
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Solution
The fourth proportional to 292,372.41, 403,469.58 and 163,312.68 is: 225,369.07
Step by Step Solution
- Step 1: Write the proportion equation
292,372.41 : 403,469.58 = 163,312.68 : x - Step 2: Convert to fraction form
292,372.41/403,469.58 = 163,312.68/x - Step 3: Cross multiply
292,372.41x = 403,469.58 × 163,312.68 - Step 4: Simplify right side
292,372.41x = 65,891,698,408.27 - Step 5: Solve for x
x = 65,891,698,408.27/292,372.41 - Step 6: Final answer
x = 225,369.07
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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.