Finding the Fourth Proportional to 200,925.18, 301,378.07 and 74,590.08
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Solution
The fourth proportional to 200,925.18, 301,378.07 and 74,590.08 is: 111,881.52
Step by Step Solution
- Step 1: Write the proportion equation
200,925.18 : 301,378.07 = 74,590.08 : x - Step 2: Convert to fraction form
200,925.18/301,378.07 = 74,590.08/x - Step 3: Cross multiply
200,925.18x = 301,378.07 × 74,590.08 - Step 4: Simplify right side
200,925.18x = 22,479,813,978.60 - Step 5: Solve for x
x = 22,479,813,978.60/200,925.18 - Step 6: Final answer
x = 111,881.52
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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.