Finding the Fourth Proportional to 258,465.60, 386,823.60 and 226,972.80
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Solution
The fourth proportional to 258,465.60, 386,823.60 and 226,972.80 is: 339,690.99
Step by Step Solution
- Step 1: Write the proportion equation
258,465.60 : 386,823.60 = 226,972.80 : x - Step 2: Convert to fraction form
258,465.60/386,823.60 = 226,972.80/x - Step 3: Cross multiply
258,465.60x = 386,823.60 × 226,972.80 - Step 4: Simplify right side
258,465.60x = 87,798,435,598.08 - Step 5: Solve for x
x = 87,798,435,598.08/258,465.60 - Step 6: Final answer
x = 339,690.99
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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.