Finding the Fourth Proportional to 383,161.19, 528,762.44 and 213,395.32
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Solution
The fourth proportional to 383,161.19, 528,762.44 and 213,395.32 is: 294,485.53
Step by Step Solution
- Step 1: Write the proportion equation
383,161.19 : 528,762.44 = 213,395.32 : x - Step 2: Convert to fraction form
383,161.19/528,762.44 = 213,395.32/x - Step 3: Cross multiply
383,161.19x = 528,762.44 × 213,395.32 - Step 4: Simplify right side
383,161.19x = 112,835,426,376.99 - Step 5: Solve for x
x = 112,835,426,376.99/383,161.19 - Step 6: Final answer
x = 294,485.53
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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.