Finding the Fourth Proportional to 259,580.25, 357,896.21 and 216,621.63
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Solution
The fourth proportional to 259,580.25, 357,896.21 and 216,621.63 is: 298,667.02
Step by Step Solution
- Step 1: Write the proportion equation
259,580.25 : 357,896.21 = 216,621.63 : x - Step 2: Convert to fraction form
259,580.25/357,896.21 = 216,621.63/x - Step 3: Cross multiply
259,580.25x = 357,896.21 × 216,621.63 - Step 4: Simplify right side
259,580.25x = 77,528,059,297.91 - Step 5: Solve for x
x = 77,528,059,297.91/259,580.25 - Step 6: Final answer
x = 298,667.02
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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.