Finding the Fourth Proportional to 246,564.16, 340,255.21 and 137,670.18
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Solution
The fourth proportional to 246,564.16, 340,255.21 and 137,670.18 is: 189,982.99
Step by Step Solution
- Step 1: Write the proportion equation
246,564.16 : 340,255.21 = 137,670.18 : x - Step 2: Convert to fraction form
246,564.16/340,255.21 = 137,670.18/x - Step 3: Cross multiply
246,564.16x = 340,255.21 × 137,670.18 - Step 4: Simplify right side
246,564.16x = 46,842,996,006.64 - Step 5: Solve for x
x = 46,842,996,006.64/246,564.16 - Step 6: Final answer
x = 189,982.99
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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.