Finding the Fourth Proportional to 432,893.80, 649,340.70 and 353,177.65
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Solution
The fourth proportional to 432,893.80, 649,340.70 and 353,177.65 is: 529,766.48
Step by Step Solution
- Step 1: Write the proportion equation
432,893.80 : 649,340.70 = 353,177.65 : x - Step 2: Convert to fraction form
432,893.80/649,340.70 = 353,177.65/x - Step 3: Cross multiply
432,893.80x = 649,340.70 × 353,177.65 - Step 4: Simplify right side
432,893.80x = 229,332,622,475.36 - Step 5: Solve for x
x = 229,332,622,475.36/432,893.80 - Step 6: Final answer
x = 529,766.48
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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.