Finding the Fourth Proportional to 387,566.24, 581,349.60 and 121,349.60
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Solution
The fourth proportional to 387,566.24, 581,349.60 and 121,349.60 is: 182,024.48
Step by Step Solution
- Step 1: Write the proportion equation
387,566.24 : 581,349.60 = 121,349.60 : x - Step 2: Convert to fraction form
387,566.24/581,349.60 = 121,349.60/x - Step 3: Cross multiply
387,566.24x = 581,349.60 × 121,349.60 - Step 4: Simplify right side
387,566.24x = 70,546,541,420.16 - Step 5: Solve for x
x = 70,546,541,420.16/387,566.24 - Step 6: Final answer
x = 182,024.48
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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.