Finding the Fourth Proportional to 282,237.38, 423,420.64 and 122,340.08
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Solution
The fourth proportional to 282,237.38, 423,420.64 and 122,340.08 is: 183,538.11
Step by Step Solution
- Step 1: Write the proportion equation
282,237.38 : 423,420.64 = 122,340.08 : x - Step 2: Convert to fraction form
282,237.38/423,420.64 = 122,340.08/x - Step 3: Cross multiply
282,237.38x = 423,420.64 × 122,340.08 - Step 4: Simplify right side
282,237.38x = 51,801,314,971.25 - Step 5: Solve for x
x = 51,801,314,971.25/282,237.38 - Step 6: Final answer
x = 183,538.11
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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.