Finding the Fourth Proportional to 236,299.54, 326,083.52 and 128,867.62
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Solution
The fourth proportional to 236,299.54, 326,083.52 and 128,867.62 is: 177,831.95
Step by Step Solution
- Step 1: Write the proportion equation
236,299.54 : 326,083.52 = 128,867.62 : x - Step 2: Convert to fraction form
236,299.54/326,083.52 = 128,867.62/x - Step 3: Cross multiply
236,299.54x = 326,083.52 × 128,867.62 - Step 4: Simplify right side
236,299.54x = 42,021,607,143.62 - Step 5: Solve for x
x = 42,021,607,143.62/236,299.54 - Step 6: Final answer
x = 177,831.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.