Finding the Fourth Proportional to 235,496.84, 354,815.64 and 213,033.60
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Solution
The fourth proportional to 235,496.84, 354,815.64 and 213,033.60 is: 320,970.99
Step by Step Solution
- Step 1: Write the proportion equation
235,496.84 : 354,815.64 = 213,033.60 : x - Step 2: Convert to fraction form
235,496.84/354,815.64 = 213,033.60/x - Step 3: Cross multiply
235,496.84x = 354,815.64 × 213,033.60 - Step 4: Simplify right side
235,496.84x = 75,587,653,125.50 - Step 5: Solve for x
x = 75,587,653,125.50/235,496.84 - Step 6: Final answer
x = 320,970.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.