Finding the Fourth Proportional to 307,214.36, 423,913.97 and 171,232.17
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Solution
The fourth proportional to 307,214.36, 423,913.97 and 171,232.17 is: 236,277.07
Step by Step Solution
- Step 1: Write the proportion equation
307,214.36 : 423,913.97 = 171,232.17 : x - Step 2: Convert to fraction form
307,214.36/423,913.97 = 171,232.17/x - Step 3: Cross multiply
307,214.36x = 423,913.97 × 171,232.17 - Step 4: Simplify right side
307,214.36x = 72,587,708,976.41 - Step 5: Solve for x
x = 72,587,708,976.41/307,214.36 - Step 6: Final answer
x = 236,277.07
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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.