Finding the Fourth Proportional to 279,179.00, 385,335.48 and 158,390.99
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Solution
The fourth proportional to 279,179.00, 385,335.48 and 158,390.99 is: 218,618.41
Step by Step Solution
- Step 1: Write the proportion equation
279,179.00 : 385,335.48 = 158,390.99 : x - Step 2: Convert to fraction form
279,179.00/385,335.48 = 158,390.99/x - Step 3: Cross multiply
279,179.00x = 385,335.48 × 158,390.99 - Step 4: Simplify right side
279,179.00x = 61,033,669,548.18 - Step 5: Solve for x
x = 61,033,669,548.18/279,179.00 - Step 6: Final answer
x = 218,618.41
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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.