Finding the Fourth Proportional to 229,905.84, 317,258.64 and 127,937.28
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Solution
The fourth proportional to 229,905.84, 317,258.64 and 127,937.28 is: 176,547.09
Step by Step Solution
- Step 1: Write the proportion equation
229,905.84 : 317,258.64 = 127,937.28 : x - Step 2: Convert to fraction form
229,905.84/317,258.64 = 127,937.28/x - Step 3: Cross multiply
229,905.84x = 317,258.64 × 127,937.28 - Step 4: Simplify right side
229,905.84x = 40,589,207,458.10 - Step 5: Solve for x
x = 40,589,207,458.10/229,905.84 - Step 6: Final answer
x = 176,547.09
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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.