Finding the Fourth Proportional to 430,257.62, 645,463.89 and 350,998.31
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Solution
The fourth proportional to 430,257.62, 645,463.89 and 350,998.31 is: 526,560.66
Step by Step Solution
- Step 1: Write the proportion equation
430,257.62 : 645,463.89 = 350,998.31 : x - Step 2: Convert to fraction form
430,257.62/645,463.89 = 350,998.31/x - Step 3: Cross multiply
430,257.62x = 645,463.89 × 350,998.31 - Step 4: Simplify right side
430,257.62x = 226,556,736,169.69 - Step 5: Solve for x
x = 226,556,736,169.69/430,257.62 - Step 6: Final answer
x = 526,560.66
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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.