Finding the Fourth Proportional to 299,586.84, 413,432.58 and 170,518.98
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Solution
The fourth proportional to 299,586.84, 413,432.58 and 170,518.98 is: 235,317.75
Step by Step Solution
- Step 1: Write the proportion equation
299,586.84 : 413,432.58 = 170,518.98 : x - Step 2: Convert to fraction form
299,586.84/413,432.58 = 170,518.98/x - Step 3: Cross multiply
299,586.84x = 413,432.58 × 170,518.98 - Step 4: Simplify right side
299,586.84x = 70,498,101,840.37 - Step 5: Solve for x
x = 70,498,101,840.37/299,586.84 - Step 6: Final answer
x = 235,317.75
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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.