Finding the Fourth Proportional to 307,342.17, 423,881.51 and 258,093.63
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Solution
The fourth proportional to 307,342.17, 423,881.51 and 258,093.63 is: 355,958.69
Step by Step Solution
- Step 1: Write the proportion equation
307,342.17 : 423,881.51 = 258,093.63 : x - Step 2: Convert to fraction form
307,342.17/423,881.51 = 258,093.63/x - Step 3: Cross multiply
307,342.17x = 423,881.51 × 258,093.63 - Step 4: Simplify right side
307,342.17x = 109,401,116,315.31 - Step 5: Solve for x
x = 109,401,116,315.31/307,342.17 - Step 6: Final answer
x = 355,958.69
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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.