Finding the Fourth Proportional to 359,346.24, 495,789.12 and 208,414.08
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Solution
The fourth proportional to 359,346.24, 495,789.12 and 208,414.08 is: 287,548.39
Step by Step Solution
- Step 1: Write the proportion equation
359,346.24 : 495,789.12 = 208,414.08 : x - Step 2: Convert to fraction form
359,346.24/495,789.12 = 208,414.08/x - Step 3: Cross multiply
359,346.24x = 495,789.12 × 208,414.08 - Step 4: Simplify right side
359,346.24x = 103,329,433,318.81 - Step 5: Solve for x
x = 103,329,433,318.81/359,346.24 - Step 6: Final answer
x = 287,548.39
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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.