Finding the Fourth Proportional to 326,252.60, 489,220.68 and 191,360.75
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Solution
The fourth proportional to 326,252.60, 489,220.68 and 191,360.75 is: 286,948.32
Step by Step Solution
- Step 1: Write the proportion equation
326,252.60 : 489,220.68 = 191,360.75 : x - Step 2: Convert to fraction form
326,252.60/489,220.68 = 191,360.75/x - Step 3: Cross multiply
326,252.60x = 489,220.68 × 191,360.75 - Step 4: Simplify right side
326,252.60x = 93,617,632,837.40 - Step 5: Solve for x
x = 93,617,632,837.40/326,252.60 - Step 6: Final answer
x = 286,948.32
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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.