Finding the Fourth Proportional to 343,804.16, 474,442.24 and 190,833.36
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Solution
The fourth proportional to 343,804.16, 474,442.24 and 190,833.36 is: 263,345.87
Step by Step Solution
- Step 1: Write the proportion equation
343,804.16 : 474,442.24 = 190,833.36 : x - Step 2: Convert to fraction form
343,804.16/474,442.24 = 190,833.36/x - Step 3: Cross multiply
343,804.16x = 474,442.24 × 190,833.36 - Step 4: Simplify right side
343,804.16x = 90,539,406,785.13 - Step 5: Solve for x
x = 90,539,406,785.13/343,804.16 - Step 6: Final answer
x = 263,345.87
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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.