Finding the Fourth Proportional to 248,362.68, 372,284.68 and 115,133.08
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Solution
The fourth proportional to 248,362.68, 372,284.68 and 115,133.08 is: 172,579.40
Step by Step Solution
- Step 1: Write the proportion equation
248,362.68 : 372,284.68 = 115,133.08 : x - Step 2: Convert to fraction form
248,362.68/372,284.68 = 115,133.08/x - Step 3: Cross multiply
248,362.68x = 372,284.68 × 115,133.08 - Step 4: Simplify right side
248,362.68x = 42,862,281,845.21 - Step 5: Solve for x
x = 42,862,281,845.21/248,362.68 - Step 6: Final answer
x = 172,579.40
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1.5x scale
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.