Finding the Fourth Proportional to 185,368.96, 278,075.31 and 138,917.08
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Solution
The fourth proportional to 185,368.96, 278,075.31 and 138,917.08 is: 208,392.01
Step by Step Solution
- Step 1: Write the proportion equation
185,368.96 : 278,075.31 = 138,917.08 : x - Step 2: Convert to fraction form
185,368.96/278,075.31 = 138,917.08/x - Step 3: Cross multiply
185,368.96x = 278,075.31 × 138,917.08 - Step 4: Simplify right side
185,368.96x = 38,629,410,085.29 - Step 5: Solve for x
x = 38,629,410,085.29/185,368.96 - Step 6: Final answer
x = 208,392.01
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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.