Finding the Fourth Proportional to 199,558.08, 299,249.28 and 74,811.60
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Solution
The fourth proportional to 199,558.08, 299,249.28 and 74,811.60 is: 112,184.47
Step by Step Solution
- Step 1: Write the proportion equation
199,558.08 : 299,249.28 = 74,811.60 : x - Step 2: Convert to fraction form
199,558.08/299,249.28 = 74,811.60/x - Step 3: Cross multiply
199,558.08x = 299,249.28 × 74,811.60 - Step 4: Simplify right side
199,558.08x = 22,387,317,435.65 - Step 5: Solve for x
x = 22,387,317,435.65/199,558.08 - Step 6: Final answer
x = 112,184.47
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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.