Finding the Fourth Proportional to 750,243.12, 1,125,129.60 and 217,800.96
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Solution
The fourth proportional to 750,243.12, 1,125,129.60 and 217,800.96 is: 326,633.19
Step by Step Solution
- Step 1: Write the proportion equation
750,243.12 : 1,125,129.60 = 217,800.96 : x - Step 2: Convert to fraction form
750,243.12/1,125,129.60 = 217,800.96/x - Step 3: Cross multiply
750,243.12x = 1,125,129.60 × 217,800.96 - Step 4: Simplify right side
750,243.12x = 245,054,307,004.42 - Step 5: Solve for x
x = 245,054,307,004.42/750,243.12 - Step 6: Final answer
x = 326,633.19
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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.