Finding the Fourth Proportional to 542,871.99, 814,029.75 and 286,842.06
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Solution
The fourth proportional to 542,871.99, 814,029.75 and 286,842.06 is: 430,116.08
Step by Step Solution
- Step 1: Write the proportion equation
542,871.99 : 814,029.75 = 286,842.06 : x - Step 2: Convert to fraction form
542,871.99/814,029.75 = 286,842.06/x - Step 3: Cross multiply
542,871.99x = 814,029.75 × 286,842.06 - Step 4: Simplify right side
542,871.99x = 233,497,970,391.29 - Step 5: Solve for x
x = 233,497,970,391.29/542,871.99 - Step 6: Final answer
x = 430,116.08
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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.