Finding the Fourth Proportional to 192,449.58, 265,569.71 and 106,403.58
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Solution
The fourth proportional to 192,449.58, 265,569.71 and 106,403.58 is: 146,831.02
Step by Step Solution
- Step 1: Write the proportion equation
192,449.58 : 265,569.71 = 106,403.58 : x - Step 2: Convert to fraction form
192,449.58/265,569.71 = 106,403.58/x - Step 3: Cross multiply
192,449.58x = 265,569.71 × 106,403.58 - Step 4: Simplify right side
192,449.58x = 28,257,567,351.54 - Step 5: Solve for x
x = 28,257,567,351.54/192,449.58 - Step 6: Final answer
x = 146,831.02
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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.