Finding the Fourth Proportional to 547,048.24, 754,964.60 and 305,377.98
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Solution
The fourth proportional to 547,048.24, 754,964.60 and 305,377.98 is: 421,442.84
Step by Step Solution
- Step 1: Write the proportion equation
547,048.24 : 754,964.60 = 305,377.98 : x - Step 2: Convert to fraction form
547,048.24/754,964.60 = 305,377.98/x - Step 3: Cross multiply
547,048.24x = 754,964.60 × 305,377.98 - Step 4: Simplify right side
547,048.24x = 230,549,564,519.51 - Step 5: Solve for x
x = 230,549,564,519.51/547,048.24 - Step 6: Final answer
x = 421,442.84
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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.