Finding the Fourth Proportional to 456,725.68, 685,154.16 and 141,207.19
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Solution
The fourth proportional to 456,725.68, 685,154.16 and 141,207.19 is: 211,831.08
Step by Step Solution
- Step 1: Write the proportion equation
456,725.68 : 685,154.16 = 141,207.19 : x - Step 2: Convert to fraction form
456,725.68/685,154.16 = 141,207.19/x - Step 3: Cross multiply
456,725.68x = 685,154.16 × 141,207.19 - Step 4: Simplify right side
456,725.68x = 96,748,691,937.53 - Step 5: Solve for x
x = 96,748,691,937.53/456,725.68 - Step 6: Final answer
x = 211,831.08
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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.