Finding the Fourth Proportional to 442,534.57, 610,794.41 and 281,358.14
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Solution
The fourth proportional to 442,534.57, 610,794.41 and 281,358.14 is: 388,335.71
Step by Step Solution
- Step 1: Write the proportion equation
442,534.57 : 610,794.41 = 281,358.14 : x - Step 2: Convert to fraction form
442,534.57/610,794.41 = 281,358.14/x - Step 3: Cross multiply
442,534.57x = 610,794.41 × 281,358.14 - Step 4: Simplify right side
442,534.57x = 171,851,974,659.24 - Step 5: Solve for x
x = 171,851,974,659.24/442,534.57 - Step 6: Final answer
x = 388,335.71
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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.