Finding the Fourth Proportional to 237,863.28, 328,242.44 and 130,430.80
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Solution
The fourth proportional to 237,863.28, 328,242.44 and 130,430.80 is: 179,989.63
Step by Step Solution
- Step 1: Write the proportion equation
237,863.28 : 328,242.44 = 130,430.80 : x - Step 2: Convert to fraction form
237,863.28/328,242.44 = 130,430.80/x - Step 3: Cross multiply
237,863.28x = 328,242.44 × 130,430.80 - Step 4: Simplify right side
237,863.28x = 42,812,924,043.15 - Step 5: Solve for x
x = 42,812,924,043.15/237,863.28 - Step 6: Final answer
x = 179,989.63
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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.