Finding the Fourth Proportional to 402,289.38, 555,080.79 and 230,259.96
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Solution
The fourth proportional to 402,289.38, 555,080.79 and 230,259.96 is: 317,713.78
Step by Step Solution
- Step 1: Write the proportion equation
402,289.38 : 555,080.79 = 230,259.96 : x - Step 2: Convert to fraction form
402,289.38/555,080.79 = 230,259.96/x - Step 3: Cross multiply
402,289.38x = 555,080.79 × 230,259.96 - Step 4: Simplify right side
402,289.38x = 127,812,880,502.17 - Step 5: Solve for x
x = 127,812,880,502.17/402,289.38 - Step 6: Final answer
x = 317,713.78
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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.