Finding the Fourth Proportional to 318,335.63, 439,365.56 and 182,460.65
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Solution
The fourth proportional to 318,335.63, 439,365.56 and 182,460.65 is: 251,831.45
Step by Step Solution
- Step 1: Write the proportion equation
318,335.63 : 439,365.56 = 182,460.65 : x - Step 2: Convert to fraction form
318,335.63/439,365.56 = 182,460.65/x - Step 3: Cross multiply
318,335.63x = 439,365.56 × 182,460.65 - Step 4: Simplify right side
318,335.63x = 80,166,922,556.08 - Step 5: Solve for x
x = 80,166,922,556.08/318,335.63 - Step 6: Final answer
x = 251,831.45
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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.