Finding the Fourth Proportional to 213,447.12, 294,547.44 and 117,951.75
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Solution
The fourth proportional to 213,447.12, 294,547.44 and 117,951.75 is: 162,768.12
Step by Step Solution
- Step 1: Write the proportion equation
213,447.12 : 294,547.44 = 117,951.75 : x - Step 2: Convert to fraction form
213,447.12/294,547.44 = 117,951.75/x - Step 3: Cross multiply
213,447.12x = 294,547.44 × 117,951.75 - Step 4: Simplify right side
213,447.12x = 34,742,386,006.02 - Step 5: Solve for x
x = 34,742,386,006.02/213,447.12 - Step 6: Final answer
x = 162,768.12
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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.