Finding the Fourth Proportional to 270,133.08, 405,216.90 and 103,921.08
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Solution
The fourth proportional to 270,133.08, 405,216.90 and 103,921.08 is: 155,888.27
Step by Step Solution
- Step 1: Write the proportion equation
270,133.08 : 405,216.90 = 103,921.08 : x - Step 2: Convert to fraction form
270,133.08/405,216.90 = 103,921.08/x - Step 3: Cross multiply
270,133.08x = 405,216.90 × 103,921.08 - Step 4: Simplify right side
270,133.08x = 42,110,577,882.25 - Step 5: Solve for x
x = 42,110,577,882.25/270,133.08 - Step 6: Final answer
x = 155,888.27
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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.