Finding the Fourth Proportional to 262,922.71, 362,907.67 and 155,530.08
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Solution
The fourth proportional to 262,922.71, 362,907.67 and 155,530.08 is: 214,675.48
Step by Step Solution
- Step 1: Write the proportion equation
262,922.71 : 362,907.67 = 155,530.08 : x - Step 2: Convert to fraction form
262,922.71/362,907.67 = 155,530.08/x - Step 3: Cross multiply
262,922.71x = 362,907.67 × 155,530.08 - Step 4: Simplify right side
262,922.71x = 56,443,058,947.71 - Step 5: Solve for x
x = 56,443,058,947.71/262,922.71 - Step 6: Final answer
x = 214,675.48
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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.