Finding the Fourth Proportional to 185,831.24, 256,447.80 and 109,353.32
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Solution
The fourth proportional to 185,831.24, 256,447.80 and 109,353.32 is: 150,907.99
Step by Step Solution
- Step 1: Write the proportion equation
185,831.24 : 256,447.80 = 109,353.32 : x - Step 2: Convert to fraction form
185,831.24/256,447.80 = 109,353.32/x - Step 3: Cross multiply
185,831.24x = 256,447.80 × 109,353.32 - Step 4: Simplify right side
185,831.24x = 28,043,418,336.70 - Step 5: Solve for x
x = 28,043,418,336.70/185,831.24 - Step 6: Final answer
x = 150,907.99
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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.