Finding the Fourth Proportional to 279,632.96, 385,558.08 and 228,456.08
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Solution
The fourth proportional to 279,632.96, 385,558.08 and 228,456.08 is: 314,995.37
Step by Step Solution
- Step 1: Write the proportion equation
279,632.96 : 385,558.08 = 228,456.08 : x - Step 2: Convert to fraction form
279,632.96/385,558.08 = 228,456.08/x - Step 3: Cross multiply
279,632.96x = 385,558.08 × 228,456.08 - Step 4: Simplify right side
279,632.96x = 88,083,087,569.13 - Step 5: Solve for x
x = 88,083,087,569.13/279,632.96 - Step 6: Final answer
x = 314,995.37
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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.