Finding the Fourth Proportional to 528,355.44, 792,559.08 and 212,769.72
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Solution
The fourth proportional to 528,355.44, 792,559.08 and 212,769.72 is: 319,165.02
Step by Step Solution
- Step 1: Write the proportion equation
528,355.44 : 792,559.08 = 212,769.72 : x - Step 2: Convert to fraction form
528,355.44/792,559.08 = 212,769.72/x - Step 3: Cross multiply
528,355.44x = 792,559.08 × 212,769.72 - Step 4: Simplify right side
528,355.44x = 168,632,573,535.06 - Step 5: Solve for x
x = 168,632,573,535.06/528,355.44 - Step 6: Final answer
x = 319,165.02
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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.