Finding the Fourth Proportional to 292,439.68, 438,675.12 and 92,776.03
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Solution
The fourth proportional to 292,439.68, 438,675.12 and 92,776.03 is: 139,168.99
Step by Step Solution
- Step 1: Write the proportion equation
292,439.68 : 438,675.12 = 92,776.03 : x - Step 2: Convert to fraction form
292,439.68/438,675.12 = 92,776.03/x - Step 3: Cross multiply
292,439.68x = 438,675.12 × 92,776.03 - Step 4: Simplify right side
292,439.68x = 40,698,536,093.37 - Step 5: Solve for x
x = 40,698,536,093.37/292,439.68 - Step 6: Final answer
x = 139,168.99
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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.