Finding the Fourth Proportional to 302,074.31, 416,853.68 and 166,108.12
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Solution
The fourth proportional to 302,074.31, 416,853.68 and 166,108.12 is: 229,224.32
Step by Step Solution
- Step 1: Write the proportion equation
302,074.31 : 416,853.68 = 166,108.12 : x - Step 2: Convert to fraction form
302,074.31/416,853.68 = 166,108.12/x - Step 3: Cross multiply
302,074.31x = 416,853.68 × 166,108.12 - Step 4: Simplify right side
302,074.31x = 69,242,779,227.21 - Step 5: Solve for x
x = 69,242,779,227.21/302,074.31 - Step 6: Final answer
x = 229,224.32
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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.