Finding the Fourth Proportional to 246,562.66, 340,253.14 and 137,668.68
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Solution
The fourth proportional to 246,562.66, 340,253.14 and 137,668.68 is: 189,980.92
Step by Step Solution
- Step 1: Write the proportion equation
246,562.66 : 340,253.14 = 137,668.68 : x - Step 2: Convert to fraction form
246,562.66/340,253.14 = 137,668.68/x - Step 3: Cross multiply
246,562.66x = 340,253.14 × 137,668.68 - Step 4: Simplify right side
246,562.66x = 46,842,200,649.66 - Step 5: Solve for x
x = 46,842,200,649.66/246,562.66 - Step 6: Final answer
x = 189,980.92
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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.