Finding the Fourth Proportional to 323,148.24, 445,829.16 and 187,107.93
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Solution
The fourth proportional to 323,148.24, 445,829.16 and 187,107.93 is: 258,142.12
Step by Step Solution
- Step 1: Write the proportion equation
323,148.24 : 445,829.16 = 187,107.93 : x - Step 2: Convert to fraction form
323,148.24/445,829.16 = 187,107.93/x - Step 3: Cross multiply
323,148.24x = 445,829.16 × 187,107.93 - Step 4: Simplify right side
323,148.24x = 83,418,171,261.24 - Step 5: Solve for x
x = 83,418,171,261.24/323,148.24 - Step 6: Final answer
x = 258,142.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.