Finding the Fourth Proportional to 368,242.08, 508,198.80 and 277,437.84
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Solution
The fourth proportional to 368,242.08, 508,198.80 and 277,437.84 is: 382,882.85
Step by Step Solution
- Step 1: Write the proportion equation
368,242.08 : 508,198.80 = 277,437.84 : x - Step 2: Convert to fraction form
368,242.08/508,198.80 = 277,437.84/x - Step 3: Cross multiply
368,242.08x = 508,198.80 × 277,437.84 - Step 4: Simplify right side
368,242.08x = 140,993,577,362.59 - Step 5: Solve for x
x = 140,993,577,362.59/368,242.08 - Step 6: Final answer
x = 382,882.85
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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.