Finding the Fourth Proportional to 326,523.24, 489,204.81 and 278,652.51
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Solution
The fourth proportional to 326,523.24, 489,204.81 and 278,652.51 is: 417,483.75
Step by Step Solution
- Step 1: Write the proportion equation
326,523.24 : 489,204.81 = 278,652.51 : x - Step 2: Convert to fraction form
326,523.24/489,204.81 = 278,652.51/x - Step 3: Cross multiply
326,523.24x = 489,204.81 × 278,652.51 - Step 4: Simplify right side
326,523.24x = 136,318,148,210.57 - Step 5: Solve for x
x = 136,318,148,210.57/326,523.24 - Step 6: Final answer
x = 417,483.75
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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.