Finding the Fourth Proportional to 242,365.41, 363,384.09 and 84,507.75
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Solution
The fourth proportional to 242,365.41, 363,384.09 and 84,507.75 is: 126,704.43
Step by Step Solution
- Step 1: Write the proportion equation
242,365.41 : 363,384.09 = 84,507.75 : x - Step 2: Convert to fraction form
242,365.41/363,384.09 = 84,507.75/x - Step 3: Cross multiply
242,365.41x = 363,384.09 × 84,507.75 - Step 4: Simplify right side
242,365.41x = 30,708,771,831.70 - Step 5: Solve for x
x = 30,708,771,831.70/242,365.41 - Step 6: Final answer
x = 126,704.43
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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.