Finding the Fourth Proportional to 532,018.09, 734,202.66 and 290,313.92
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Solution
The fourth proportional to 532,018.09, 734,202.66 and 290,313.92 is: 400,642.87
Step by Step Solution
- Step 1: Write the proportion equation
532,018.09 : 734,202.66 = 290,313.92 : x - Step 2: Convert to fraction form
532,018.09/734,202.66 = 290,313.92/x - Step 3: Cross multiply
532,018.09x = 734,202.66 × 290,313.92 - Step 4: Simplify right side
532,018.09x = 213,149,255,223.21 - Step 5: Solve for x
x = 213,149,255,223.21/532,018.09 - Step 6: Final answer
x = 400,642.87
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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.