Finding the Fourth Proportional to 185,345.49, 255,804.11 and 117,368.67
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Solution
The fourth proportional to 185,345.49, 255,804.11 and 117,368.67 is: 161,986.07
Step by Step Solution
- Step 1: Write the proportion equation
185,345.49 : 255,804.11 = 117,368.67 : x - Step 2: Convert to fraction form
185,345.49/255,804.11 = 117,368.67/x - Step 3: Cross multiply
185,345.49x = 255,804.11 × 117,368.67 - Step 4: Simplify right side
185,345.49x = 30,023,388,171.23 - Step 5: Solve for x
x = 30,023,388,171.23/185,345.49 - Step 6: Final answer
x = 161,986.07
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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.