Finding the Fourth Proportional to 279,334.08, 385,489.77 and 158,480.46
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Solution
The fourth proportional to 279,334.08, 385,489.77 and 158,480.46 is: 218,707.99
Step by Step Solution
- Step 1: Write the proportion equation
279,334.08 : 385,489.77 = 158,480.46 : x - Step 2: Convert to fraction form
279,334.08/385,489.77 = 158,480.46/x - Step 3: Cross multiply
279,334.08x = 385,489.77 × 158,480.46 - Step 4: Simplify right side
279,334.08x = 61,092,596,074.89 - Step 5: Solve for x
x = 61,092,596,074.89/279,334.08 - Step 6: Final answer
x = 218,707.99
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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.