Finding the Fourth Proportional to 242,752.07, 334,997.91 and 135,319.79
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Solution
The fourth proportional to 242,752.07, 334,997.91 and 135,319.79 is: 186,741.34
Step by Step Solution
- Step 1: Write the proportion equation
242,752.07 : 334,997.91 = 135,319.79 : x - Step 2: Convert to fraction form
242,752.07/334,997.91 = 135,319.79/x - Step 3: Cross multiply
242,752.07x = 334,997.91 × 135,319.79 - Step 4: Simplify right side
242,752.07x = 45,331,846,831.64 - Step 5: Solve for x
x = 45,331,846,831.64/242,752.07 - Step 6: Final answer
x = 186,741.34
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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.