Finding the Fourth Proportional to 565,003.98, 847,507.44 and 138,541.68
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Solution
The fourth proportional to 565,003.98, 847,507.44 and 138,541.68 is: 207,812.88
Step by Step Solution
- Step 1: Write the proportion equation
565,003.98 : 847,507.44 = 138,541.68 : x - Step 2: Convert to fraction form
565,003.98/847,507.44 = 138,541.68/x - Step 3: Cross multiply
565,003.98x = 847,507.44 × 138,541.68 - Step 4: Simplify right side
565,003.98x = 117,415,104,550.10 - Step 5: Solve for x
x = 117,415,104,550.10/565,003.98 - Step 6: Final answer
x = 207,812.88
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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.