Finding the Fourth Proportional to 522,446.16, 783,670.07 and 143,372.09
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Solution
The fourth proportional to 522,446.16, 783,670.07 and 143,372.09 is: 215,058.35
Step by Step Solution
- Step 1: Write the proportion equation
522,446.16 : 783,670.07 = 143,372.09 : x - Step 2: Convert to fraction form
522,446.16/783,670.07 = 143,372.09/x - Step 3: Cross multiply
522,446.16x = 783,670.07 × 143,372.09 - Step 4: Simplify right side
522,446.16x = 112,356,411,171.14 - Step 5: Solve for x
x = 112,356,411,171.14/522,446.16 - Step 6: Final answer
x = 215,058.35
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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.