Finding the Fourth Proportional to 270,318.15, 405,643.99 and 137,293.88
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Solution
The fourth proportional to 270,318.15, 405,643.99 and 137,293.88 is: 206,025.52
Step by Step Solution
- Step 1: Write the proportion equation
270,318.15 : 405,643.99 = 137,293.88 : x - Step 2: Convert to fraction form
270,318.15/405,643.99 = 137,293.88/x - Step 3: Cross multiply
270,318.15x = 405,643.99 × 137,293.88 - Step 4: Simplify right side
270,318.15x = 55,692,437,285.78 - Step 5: Solve for x
x = 55,692,437,285.78/270,318.15 - Step 6: Final answer
x = 206,025.52
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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.