Finding the Fourth Proportional to 254,622.16, 351,386.14 and 139,907.94
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Solution
The fourth proportional to 254,622.16, 351,386.14 and 139,907.94 is: 193,077.12
Step by Step Solution
- Step 1: Write the proportion equation
254,622.16 : 351,386.14 = 139,907.94 : x - Step 2: Convert to fraction form
254,622.16/351,386.14 = 139,907.94/x - Step 3: Cross multiply
254,622.16x = 351,386.14 × 139,907.94 - Step 4: Simplify right side
254,622.16x = 49,161,712,622.57 - Step 5: Solve for x
x = 49,161,712,622.57/254,622.16 - Step 6: Final answer
x = 193,077.12
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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.