Finding the Fourth Proportional to 185,320.68, 255,742.44 and 100,437.68
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Solution
The fourth proportional to 185,320.68, 255,742.44 and 100,437.68 is: 138,603.95
Step by Step Solution
- Step 1: Write the proportion equation
185,320.68 : 255,742.44 = 100,437.68 : x - Step 2: Convert to fraction form
185,320.68/255,742.44 = 100,437.68/x - Step 3: Cross multiply
185,320.68x = 255,742.44 × 100,437.68 - Step 4: Simplify right side
185,320.68x = 25,686,177,351.14 - Step 5: Solve for x
x = 25,686,177,351.14/185,320.68 - Step 6: Final answer
x = 138,603.95
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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.