Finding the Fourth Proportional to 434,358.36, 599,407.02 and 243,371.16
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Solution
The fourth proportional to 434,358.36, 599,407.02 and 243,371.16 is: 335,847.99
Step by Step Solution
- Step 1: Write the proportion equation
434,358.36 : 599,407.02 = 243,371.16 : x - Step 2: Convert to fraction form
434,358.36/599,407.02 = 243,371.16/x - Step 3: Cross multiply
434,358.36x = 599,407.02 × 243,371.16 - Step 4: Simplify right side
434,358.36x = 145,878,381,769.54 - Step 5: Solve for x
x = 145,878,381,769.54/434,358.36 - Step 6: Final answer
x = 335,847.99
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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.