Finding the Fourth Proportional to 368,379.08, 508,321.94 and 207,230.79
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Solution
The fourth proportional to 368,379.08, 508,321.94 and 207,230.79 is: 285,955.32
Step by Step Solution
- Step 1: Write the proportion equation
368,379.08 : 508,321.94 = 207,230.79 : x - Step 2: Convert to fraction form
368,379.08/508,321.94 = 207,230.79/x - Step 3: Cross multiply
368,379.08x = 508,321.94 × 207,230.79 - Step 4: Simplify right side
368,379.08x = 105,339,956,164.38 - Step 5: Solve for x
x = 105,339,956,164.38/368,379.08 - Step 6: Final answer
x = 285,955.32
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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.