Finding the Fourth Proportional to 510,743.41, 704,817.21 and 281,322.18
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Solution
The fourth proportional to 510,743.41, 704,817.21 and 281,322.18 is: 388,219.82
Step by Step Solution
- Step 1: Write the proportion equation
510,743.41 : 704,817.21 = 281,322.18 : x - Step 2: Convert to fraction form
510,743.41/704,817.21 = 281,322.18/x - Step 3: Cross multiply
510,743.41x = 704,817.21 × 281,322.18 - Step 4: Simplify right side
510,743.41x = 198,280,715,073.68 - Step 5: Solve for x
x = 198,280,715,073.68/510,743.41 - Step 6: Final answer
x = 388,219.82
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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.