Finding the Fourth Proportional to 227,905.13, 314,509.08 and 127,303.13
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Solution
The fourth proportional to 227,905.13, 314,509.08 and 127,303.13 is: 175,678.32
Step by Step Solution
- Step 1: Write the proportion equation
227,905.13 : 314,509.08 = 127,303.13 : x - Step 2: Convert to fraction form
227,905.13/314,509.08 = 127,303.13/x - Step 3: Cross multiply
227,905.13x = 314,509.08 × 127,303.13 - Step 4: Simplify right side
227,905.13x = 40,037,988,724.88 - Step 5: Solve for x
x = 40,037,988,724.88/227,905.13 - Step 6: Final answer
x = 175,678.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.