Finding the Fourth Proportional to 366,351.63, 549,564.74 and 126,434.31
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Solution
The fourth proportional to 366,351.63, 549,564.74 and 126,434.31 is: 189,664.34
Step by Step Solution
- Step 1: Write the proportion equation
366,351.63 : 549,564.74 = 126,434.31 : x - Step 2: Convert to fraction form
366,351.63/549,564.74 = 126,434.31/x - Step 3: Cross multiply
366,351.63x = 549,564.74 × 126,434.31 - Step 4: Simplify right side
366,351.63x = 69,483,840,749.27 - Step 5: Solve for x
x = 69,483,840,749.27/366,351.63 - Step 6: Final answer
x = 189,664.34
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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.