Finding the Fourth Proportional to 326,117.60, 489,176.40 and 201,701.60
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Solution
The fourth proportional to 326,117.60, 489,176.40 and 201,701.60 is: 302,552.40
Step by Step Solution
- Step 1: Write the proportion equation
326,117.60 : 489,176.40 = 201,701.60 : x - Step 2: Convert to fraction form
326,117.60/489,176.40 = 201,701.60/x - Step 3: Cross multiply
326,117.60x = 489,176.40 × 201,701.60 - Step 4: Simplify right side
326,117.60x = 98,667,662,562.24 - Step 5: Solve for x
x = 98,667,662,562.24/326,117.60 - Step 6: Final answer
x = 302,552.40
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1.5x scale
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.