Finding the Fourth Proportional to 432,851.80, 649,277.70 and 353,135.65
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Solution
The fourth proportional to 432,851.80, 649,277.70 and 353,135.65 is: 529,703.48
Step by Step Solution
- Step 1: Write the proportion equation
432,851.80 : 649,277.70 = 353,135.65 : x - Step 2: Convert to fraction form
432,851.80/649,277.70 = 353,135.65/x - Step 3: Cross multiply
432,851.80x = 649,277.70 × 353,135.65 - Step 4: Simplify right side
432,851.80x = 229,283,102,620.01 - Step 5: Solve for x
x = 229,283,102,620.01/432,851.80 - Step 6: Final answer
x = 529,703.48
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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.