Finding the Fourth Proportional to 319,754.19, 479,349.03 and 130,372.95
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Solution
The fourth proportional to 319,754.19, 479,349.03 and 130,372.95 is: 195,444.34
Step by Step Solution
- Step 1: Write the proportion equation
319,754.19 : 479,349.03 = 130,372.95 : x - Step 2: Convert to fraction form
319,754.19/479,349.03 = 130,372.95/x - Step 3: Cross multiply
319,754.19x = 479,349.03 × 130,372.95 - Step 4: Simplify right side
319,754.19x = 62,494,147,120.74 - Step 5: Solve for x
x = 62,494,147,120.74/319,754.19 - Step 6: Final answer
x = 195,444.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.