Finding the Fourth Proportional to 304,901.64, 420,750.09 and 167,079.75
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Solution
The fourth proportional to 304,901.64, 420,750.09 and 167,079.75 is: 230,562.29
Step by Step Solution
- Step 1: Write the proportion equation
304,901.64 : 420,750.09 = 167,079.75 : x - Step 2: Convert to fraction form
304,901.64/420,750.09 = 167,079.75/x - Step 3: Cross multiply
304,901.64x = 420,750.09 × 167,079.75 - Step 4: Simplify right side
304,901.64x = 70,298,819,849.68 - Step 5: Solve for x
x = 70,298,819,849.68/304,901.64 - Step 6: Final answer
x = 230,562.29
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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.