Finding the Fourth Proportional to 185,425.52, 255,892.26 and 104,865.09
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Solution
The fourth proportional to 185,425.52, 255,892.26 and 104,865.09 is: 144,716.68
Step by Step Solution
- Step 1: Write the proportion equation
185,425.52 : 255,892.26 = 104,865.09 : x - Step 2: Convert to fraction form
185,425.52/255,892.26 = 104,865.09/x - Step 3: Cross multiply
185,425.52x = 255,892.26 × 104,865.09 - Step 4: Simplify right side
185,425.52x = 26,834,164,875.20 - Step 5: Solve for x
x = 26,834,164,875.20/185,425.52 - Step 6: Final answer
x = 144,716.68
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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.