Finding the Fourth Proportional to 415,682.70, 623,707.65 and 202,332.30
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Solution
The fourth proportional to 415,682.70, 623,707.65 and 202,332.30 is: 303,587.82
Step by Step Solution
- Step 1: Write the proportion equation
415,682.70 : 623,707.65 = 202,332.30 : x - Step 2: Convert to fraction form
415,682.70/623,707.65 = 202,332.30/x - Step 3: Cross multiply
415,682.70x = 623,707.65 × 202,332.30 - Step 4: Simplify right side
415,682.70x = 126,196,203,352.10 - Step 5: Solve for x
x = 126,196,203,352.10/415,682.70 - Step 6: Final answer
x = 303,587.82
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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.