Finding the Fourth Proportional to 217,097.70, 325,646.55 and 190,853.70
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Solution
The fourth proportional to 217,097.70, 325,646.55 and 190,853.70 is: 286,280.55
Step by Step Solution
- Step 1: Write the proportion equation
217,097.70 : 325,646.55 = 190,853.70 : x - Step 2: Convert to fraction form
217,097.70/325,646.55 = 190,853.70/x - Step 3: Cross multiply
217,097.70x = 325,646.55 × 190,853.70 - Step 4: Simplify right side
217,097.70x = 62,150,848,959.74 - Step 5: Solve for x
x = 62,150,848,959.74/217,097.70 - Step 6: Final answer
x = 286,280.55
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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.