Finding the Fourth Proportional to 400,035.19, 551,788.44 and 256,567.99
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Solution
The fourth proportional to 400,035.19, 551,788.44 and 256,567.99 is: 353,896.99
Step by Step Solution
- Step 1: Write the proportion equation
400,035.19 : 551,788.44 = 256,567.99 : x - Step 2: Convert to fraction form
400,035.19/551,788.44 = 256,567.99/x - Step 3: Cross multiply
400,035.19x = 551,788.44 × 256,567.99 - Step 4: Simplify right side
400,035.19x = 141,571,250,956.04 - Step 5: Solve for x
x = 141,571,250,956.04/400,035.19 - Step 6: Final answer
x = 353,896.99
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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.