Finding the Fourth Proportional to 434,487.41, 599,617.25 and 243,513.09
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Solution
The fourth proportional to 434,487.41, 599,617.25 and 243,513.09 is: 336,061.87
Step by Step Solution
- Step 1: Write the proportion equation
434,487.41 : 599,617.25 = 243,513.09 : x - Step 2: Convert to fraction form
434,487.41/599,617.25 = 243,513.09/x - Step 3: Cross multiply
434,487.41x = 599,617.25 × 243,513.09 - Step 4: Simplify right side
434,487.41x = 146,014,648,147.24 - Step 5: Solve for x
x = 146,014,648,147.24/434,487.41 - Step 6: Final answer
x = 336,061.87
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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.