Finding the Fourth Proportional to 306,821.01, 423,412.54 and 170,866.84
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Solution
The fourth proportional to 306,821.01, 423,412.54 and 170,866.84 is: 235,795.99
Step by Step Solution
- Step 1: Write the proportion equation
306,821.01 : 423,412.54 = 170,866.84 : x - Step 2: Convert to fraction form
306,821.01/423,412.54 = 170,866.84/x - Step 3: Cross multiply
306,821.01x = 423,412.54 × 170,866.84 - Step 4: Simplify right side
306,821.01x = 72,347,162,726.17 - Step 5: Solve for x
x = 72,347,162,726.17/306,821.01 - Step 6: Final answer
x = 235,795.99
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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.