Finding the Fourth Proportional to 372,126.54, 513,557.06 and 219,266.62
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Solution
The fourth proportional to 372,126.54, 513,557.06 and 219,266.62 is: 302,601.15
Step by Step Solution
- Step 1: Write the proportion equation
372,126.54 : 513,557.06 = 219,266.62 : x - Step 2: Convert to fraction form
372,126.54/513,557.06 = 219,266.62/x - Step 3: Cross multiply
372,126.54x = 513,557.06 × 219,266.62 - Step 4: Simplify right side
372,126.54x = 112,605,920,723.34 - Step 5: Solve for x
x = 112,605,920,723.34/372,126.54 - Step 6: Final answer
x = 302,601.15
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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.