Finding the Fourth Proportional to 1,430,139.36, 2,145,207.80 and 365,181.60
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Solution
The fourth proportional to 1,430,139.36, 2,145,207.80 and 365,181.60 is: 547,772.08
Step by Step Solution
- Step 1: Write the proportion equation
1,430,139.36 : 2,145,207.80 = 365,181.60 : x - Step 2: Convert to fraction form
1,430,139.36/2,145,207.80 = 365,181.60/x - Step 3: Cross multiply
1,430,139.36x = 2,145,207.80 × 365,181.60 - Step 4: Simplify right side
1,430,139.36x = 783,390,416,736.48 - Step 5: Solve for x
x = 783,390,416,736.48/1,430,139.36 - Step 6: Final answer
x = 547,772.08
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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.