Finding the Fourth Proportional to 236,905.40, 355,358.10 and 217,551.80
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Solution
The fourth proportional to 236,905.40, 355,358.10 and 217,551.80 is: 326,327.70
Step by Step Solution
- Step 1: Write the proportion equation
236,905.40 : 355,358.10 = 217,551.80 : x - Step 2: Convert to fraction form
236,905.40/355,358.10 = 217,551.80/x - Step 3: Cross multiply
236,905.40x = 355,358.10 × 217,551.80 - Step 4: Simplify right side
236,905.40x = 77,308,794,299.58 - Step 5: Solve for x
x = 77,308,794,299.58/236,905.40 - Step 6: Final answer
x = 326,327.70
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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.