Finding the Fourth Proportional to 430,778.94, 646,168.58 and 193,844.84
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Solution
The fourth proportional to 430,778.94, 646,168.58 and 193,844.84 is: 290,767.34
Step by Step Solution
- Step 1: Write the proportion equation
430,778.94 : 646,168.58 = 193,844.84 : x - Step 2: Convert to fraction form
430,778.94/646,168.58 = 193,844.84/x - Step 3: Cross multiply
430,778.94x = 646,168.58 × 193,844.84 - Step 4: Simplify right side
430,778.94x = 125,256,445,003.13 - Step 5: Solve for x
x = 125,256,445,003.13/430,778.94 - Step 6: Final answer
x = 290,767.34
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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.