Finding the Fourth Proportional to 290,283.36, 400,587.52 and 162,955.68
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Solution
The fourth proportional to 290,283.36, 400,587.52 and 162,955.68 is: 224,876.86
Step by Step Solution
- Step 1: Write the proportion equation
290,283.36 : 400,587.52 = 162,955.68 : x - Step 2: Convert to fraction form
290,283.36/400,587.52 = 162,955.68/x - Step 3: Cross multiply
290,283.36x = 400,587.52 × 162,955.68 - Step 4: Simplify right side
290,283.36x = 65,278,011,721.11 - Step 5: Solve for x
x = 65,278,011,721.11/290,283.36 - Step 6: Final answer
x = 224,876.86
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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.