Finding the Fourth Proportional to 415,269.60, 623,595.60 and 228,415.20
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Solution
The fourth proportional to 415,269.60, 623,595.60 and 228,415.20 is: 343,002.99
Step by Step Solution
- Step 1: Write the proportion equation
415,269.60 : 623,595.60 = 228,415.20 : x - Step 2: Convert to fraction form
415,269.60/623,595.60 = 228,415.20/x - Step 3: Cross multiply
415,269.60x = 623,595.60 × 228,415.20 - Step 4: Simplify right side
415,269.60x = 142,438,713,693.12 - Step 5: Solve for x
x = 142,438,713,693.12/415,269.60 - Step 6: Final answer
x = 343,002.99
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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.