Finding the Fourth Proportional to 149,437.31, 224,033.81 and 69,525.09
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Solution
The fourth proportional to 149,437.31, 224,033.81 and 69,525.09 is: 104,230.80
Step by Step Solution
- Step 1: Write the proportion equation
149,437.31 : 224,033.81 = 69,525.09 : x - Step 2: Convert to fraction form
149,437.31/224,033.81 = 69,525.09/x - Step 3: Cross multiply
149,437.31x = 224,033.81 × 69,525.09 - Step 4: Simplify right side
149,437.31x = 15,575,970,455.67 - Step 5: Solve for x
x = 15,575,970,455.67/149,437.31 - Step 6: Final answer
x = 104,230.80
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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.