Finding the Fourth Proportional to 451,352.62, 676,892.61 and 135,725.74
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Solution
The fourth proportional to 451,352.62, 676,892.61 and 135,725.74 is: 203,547.62
Step by Step Solution
- Step 1: Write the proportion equation
451,352.62 : 676,892.61 = 135,725.74 : x - Step 2: Convert to fraction form
451,352.62/676,892.61 = 135,725.74/x - Step 3: Cross multiply
451,352.62x = 676,892.61 × 135,725.74 - Step 4: Simplify right side
451,352.62x = 91,871,750,392.78 - Step 5: Solve for x
x = 91,871,750,392.78/451,352.62 - Step 6: Final answer
x = 203,547.62
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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.