Finding the Fourth Proportional to 207,410.56, 310,649.04 and 145,358.08
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Solution
The fourth proportional to 207,410.56, 310,649.04 and 145,358.08 is: 217,709.98
Step by Step Solution
- Step 1: Write the proportion equation
207,410.56 : 310,649.04 = 145,358.08 : x - Step 2: Convert to fraction form
207,410.56/310,649.04 = 145,358.08/x - Step 3: Cross multiply
207,410.56x = 310,649.04 × 145,358.08 - Step 4: Simplify right side
207,410.56x = 45,155,348,008.24 - Step 5: Solve for x
x = 45,155,348,008.24/207,410.56 - Step 6: Final answer
x = 217,709.98
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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.