Finding the Fourth Proportional to 266,569.83, 367,866.34 and 145,711.60
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Solution
The fourth proportional to 266,569.83, 367,866.34 and 145,711.60 is: 201,081.99
Step by Step Solution
- Step 1: Write the proportion equation
266,569.83 : 367,866.34 = 145,711.60 : x - Step 2: Convert to fraction form
266,569.83/367,866.34 = 145,711.60/x - Step 3: Cross multiply
266,569.83x = 367,866.34 × 145,711.60 - Step 4: Simplify right side
266,569.83x = 53,602,392,258.99 - Step 5: Solve for x
x = 53,602,392,258.99/266,569.83 - Step 6: Final answer
x = 201,081.99
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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.