Finding the Fourth Proportional to 213,440.09, 294,547.43 and 117,946.79
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Solution
The fourth proportional to 213,440.09, 294,547.43 and 117,946.79 is: 162,766.62
Step by Step Solution
- Step 1: Write the proportion equation
213,440.09 : 294,547.43 = 117,946.79 : x - Step 2: Convert to fraction form
213,440.09/294,547.43 = 117,946.79/x - Step 3: Cross multiply
213,440.09x = 294,547.43 × 117,946.79 - Step 4: Simplify right side
213,440.09x = 34,740,921,808.78 - Step 5: Solve for x
x = 34,740,921,808.78/213,440.09 - Step 6: Final answer
x = 162,766.62
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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.