Finding the Fourth Proportional to 1,008,088.10, 1,512,132.15 and 260,134.10
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Solution
The fourth proportional to 1,008,088.10, 1,512,132.15 and 260,134.10 is: 390,201.15
Step by Step Solution
- Step 1: Write the proportion equation
1,008,088.10 : 1,512,132.15 = 260,134.10 : x - Step 2: Convert to fraction form
1,008,088.10/1,512,132.15 = 260,134.10/x - Step 3: Cross multiply
1,008,088.10x = 1,512,132.15 × 260,134.10 - Step 4: Simplify right side
1,008,088.10x = 393,357,135,921.32 - Step 5: Solve for x
x = 393,357,135,921.32/1,008,088.10 - Step 6: Final answer
x = 390,201.15
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Similar ratio
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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.