Finding the Fourth Proportional to 430,536.88, 645,455.34 and 150,250.96
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Solution
The fourth proportional to 430,536.88, 645,455.34 and 150,250.96 is: 225,254.30
Step by Step Solution
- Step 1: Write the proportion equation
430,536.88 : 645,455.34 = 150,250.96 : x - Step 2: Convert to fraction form
430,536.88/645,455.34 = 150,250.96/x - Step 3: Cross multiply
430,536.88x = 645,455.34 × 150,250.96 - Step 4: Simplify right side
430,536.88x = 96,980,284,472.13 - Step 5: Solve for x
x = 96,980,284,472.13/430,536.88 - Step 6: Final answer
x = 225,254.30
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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.