Finding the Fourth Proportional to 837,831.36, 1,256,557.68 and 238,779.66
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Solution
The fourth proportional to 837,831.36, 1,256,557.68 and 238,779.66 is: 358,115.52
Step by Step Solution
- Step 1: Write the proportion equation
837,831.36 : 1,256,557.68 = 238,779.66 : x - Step 2: Convert to fraction form
837,831.36/1,256,557.68 = 238,779.66/x - Step 3: Cross multiply
837,831.36x = 1,256,557.68 × 238,779.66 - Step 4: Simplify right side
837,831.36x = 300,040,415,600.79 - Step 5: Solve for x
x = 300,040,415,600.79/837,831.36 - Step 6: Final answer
x = 358,115.52
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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.