Finding the Fourth Proportional to 292,448.07, 438,669.86 and 119,339.15
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Solution
The fourth proportional to 292,448.07, 438,669.86 and 119,339.15 is: 179,007.80
Step by Step Solution
- Step 1: Write the proportion equation
292,448.07 : 438,669.86 = 119,339.15 : x - Step 2: Convert to fraction form
292,448.07/438,669.86 = 119,339.15/x - Step 3: Cross multiply
292,448.07x = 438,669.86 × 119,339.15 - Step 4: Simplify right side
292,448.07x = 52,350,485,432.97 - Step 5: Solve for x
x = 52,350,485,432.97/292,448.07 - Step 6: Final answer
x = 179,007.80
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1.5x scale
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.