Finding the Fourth Proportional to 418,893.93, 628,246.26 and 119,368.08
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Solution
The fourth proportional to 418,893.93, 628,246.26 and 119,368.08 is: 179,025.15
Step by Step Solution
- Step 1: Write the proportion equation
418,893.93 : 628,246.26 = 119,368.08 : x - Step 2: Convert to fraction form
418,893.93/628,246.26 = 119,368.08/x - Step 3: Cross multiply
418,893.93x = 628,246.26 × 119,368.08 - Step 4: Simplify right side
418,893.93x = 74,992,549,823.38 - Step 5: Solve for x
x = 74,992,549,823.38/418,893.93 - Step 6: Final answer
x = 179,025.15
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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.