Finding the Fourth Proportional to 292,195.43, 438,312.60 and 102,632.75
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Solution
The fourth proportional to 292,195.43, 438,312.60 and 102,632.75 is: 153,955.95
Step by Step Solution
- Step 1: Write the proportion equation
292,195.43 : 438,312.60 = 102,632.75 : x - Step 2: Convert to fraction form
292,195.43/438,312.60 = 102,632.75/x - Step 3: Cross multiply
292,195.43x = 438,312.60 × 102,632.75 - Step 4: Simplify right side
292,195.43x = 44,985,225,306.09 - Step 5: Solve for x
x = 44,985,225,306.09/292,195.43 - Step 6: Final answer
x = 153,955.95
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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.