Finding the Fourth Proportional to 427,622.00, 640,990.08 and 351,947.00
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Solution
The fourth proportional to 427,622.00, 640,990.08 and 351,947.00 is: 527,555.97
Step by Step Solution
- Step 1: Write the proportion equation
427,622.00 : 640,990.08 = 351,947.00 : x - Step 2: Convert to fraction form
427,622.00/640,990.08 = 351,947.00/x - Step 3: Cross multiply
427,622.00x = 640,990.08 × 351,947.00 - Step 4: Simplify right side
427,622.00x = 225,594,537,288.24 - Step 5: Solve for x
x = 225,594,537,288.24/427,622.00 - Step 6: Final answer
x = 527,555.97
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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.