Finding the Fourth Proportional to 430,316.62, 645,768.90 and 149,833.84
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Solution
The fourth proportional to 430,316.62, 645,768.90 and 149,833.84 is: 224,853.12
Step by Step Solution
- Step 1: Write the proportion equation
430,316.62 : 645,768.90 = 149,833.84 : x - Step 2: Convert to fraction form
430,316.62/645,768.90 = 149,833.84/x - Step 3: Cross multiply
430,316.62x = 645,768.90 × 149,833.84 - Step 4: Simplify right side
430,316.62x = 96,758,034,039.58 - Step 5: Solve for x
x = 96,758,034,039.58/430,316.62 - Step 6: Final answer
x = 224,853.12
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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.