Finding the Fourth Proportional to 432,865.80, 649,298.70 and 353,149.65
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Solution
The fourth proportional to 432,865.80, 649,298.70 and 353,149.65 is: 529,724.48
Step by Step Solution
- Step 1: Write the proportion equation
432,865.80 : 649,298.70 = 353,149.65 : x - Step 2: Convert to fraction form
432,865.80/649,298.70 = 353,149.65/x - Step 3: Cross multiply
432,865.80x = 649,298.70 × 353,149.65 - Step 4: Simplify right side
432,865.80x = 229,299,608,650.46 - Step 5: Solve for x
x = 229,299,608,650.46/432,865.80 - Step 6: Final answer
x = 529,724.48
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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.