Finding the Fourth Proportional to 430,750.62, 646,125.78 and 115,199.33
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Solution
The fourth proportional to 430,750.62, 646,125.78 and 115,199.33 is: 172,798.95
Step by Step Solution
- Step 1: Write the proportion equation
430,750.62 : 646,125.78 = 115,199.33 : x - Step 2: Convert to fraction form
430,750.62/646,125.78 = 115,199.33/x - Step 3: Cross multiply
430,750.62x = 646,125.78 × 115,199.33 - Step 4: Simplify right side
430,750.62x = 74,433,253,721.10 - Step 5: Solve for x
x = 74,433,253,721.10/430,750.62 - Step 6: Final answer
x = 172,798.95
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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.