Finding the Fourth Proportional to 257,304.36, 354,636.71 and 171,109.28
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Solution
The fourth proportional to 257,304.36, 354,636.71 and 171,109.28 is: 235,836.00
Step by Step Solution
- Step 1: Write the proportion equation
257,304.36 : 354,636.71 = 171,109.28 : x - Step 2: Convert to fraction form
257,304.36/354,636.71 = 171,109.28/x - Step 3: Cross multiply
257,304.36x = 354,636.71 × 171,109.28 - Step 4: Simplify right side
257,304.36x = 60,681,632,140.71 - Step 5: Solve for x
x = 60,681,632,140.71/257,304.36 - Step 6: Final answer
x = 235,836.00
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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.