Finding the Fourth Proportional to 487,449.90, 730,965.72 and 167,633.94
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Solution
The fourth proportional to 487,449.90, 730,965.72 and 167,633.94 is: 251,378.99
Step by Step Solution
- Step 1: Write the proportion equation
487,449.90 : 730,965.72 = 167,633.94 : x - Step 2: Convert to fraction form
487,449.90/730,965.72 = 167,633.94/x - Step 3: Cross multiply
487,449.90x = 730,965.72 × 167,633.94 - Step 4: Simplify right side
487,449.90x = 122,534,663,648.54 - Step 5: Solve for x
x = 122,534,663,648.54/487,449.90 - Step 6: Final answer
x = 251,378.99
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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.