Finding the Fourth Proportional to 387,023.24, 534,109.74 and 214,941.98
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Solution
The fourth proportional to 387,023.24, 534,109.74 and 214,941.98 is: 296,629.75
Step by Step Solution
- Step 1: Write the proportion equation
387,023.24 : 534,109.74 = 214,941.98 : x - Step 2: Convert to fraction form
387,023.24/534,109.74 = 214,941.98/x - Step 3: Cross multiply
387,023.24x = 534,109.74 × 214,941.98 - Step 4: Simplify right side
387,023.24x = 114,802,605,052.89 - Step 5: Solve for x
x = 114,802,605,052.89/387,023.24 - Step 6: Final answer
x = 296,629.75
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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.