Finding the Fourth Proportional to 217,357.73, 326,130.45 and 117,588.21
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Solution
The fourth proportional to 217,357.73, 326,130.45 and 117,588.21 is: 176,433.09
Step by Step Solution
- Step 1: Write the proportion equation
217,357.73 : 326,130.45 = 117,588.21 : x - Step 2: Convert to fraction form
217,357.73/326,130.45 = 117,588.21/x - Step 3: Cross multiply
217,357.73x = 326,130.45 × 117,588.21 - Step 4: Simplify right side
217,357.73x = 38,349,094,839.48 - Step 5: Solve for x
x = 38,349,094,839.48/217,357.73 - Step 6: Final answer
x = 176,433.09
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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.