Finding the Fourth Proportional to 438,048.99, 656,821.98 and 171,497.43
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Solution
The fourth proportional to 438,048.99, 656,821.98 and 171,497.43 is: 257,147.68
Step by Step Solution
- Step 1: Write the proportion equation
438,048.99 : 656,821.98 = 171,497.43 : x - Step 2: Convert to fraction form
438,048.99/656,821.98 = 171,497.43/x - Step 3: Cross multiply
438,048.99x = 656,821.98 × 171,497.43 - Step 4: Simplify right side
438,048.99x = 112,643,281,537.51 - Step 5: Solve for x
x = 112,643,281,537.51/438,048.99 - Step 6: Final answer
x = 257,147.68
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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.