Finding the Fourth Proportional to 461,323.60, 636,612.12 and 270,464.10
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Solution
The fourth proportional to 461,323.60, 636,612.12 and 270,464.10 is: 373,231.99
Step by Step Solution
- Step 1: Write the proportion equation
461,323.60 : 636,612.12 = 270,464.10 : x - Step 2: Convert to fraction form
461,323.60/636,612.12 = 270,464.10/x - Step 3: Cross multiply
461,323.60x = 636,612.12 × 270,464.10 - Step 4: Simplify right side
461,323.60x = 172,180,724,084.89 - Step 5: Solve for x
x = 172,180,724,084.89/461,323.60 - Step 6: Final answer
x = 373,231.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.