Finding the Fourth Proportional to 592,069.26, 817,056.16 and 320,137.08
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Solution
The fourth proportional to 592,069.26, 817,056.16 and 320,137.08 is: 441,789.48
Step by Step Solution
- Step 1: Write the proportion equation
592,069.26 : 817,056.16 = 320,137.08 : x - Step 2: Convert to fraction form
592,069.26/817,056.16 = 320,137.08/x - Step 3: Cross multiply
592,069.26x = 817,056.16 × 320,137.08 - Step 4: Simplify right side
592,069.26x = 261,569,973,258.41 - Step 5: Solve for x
x = 261,569,973,258.41/592,069.26 - Step 6: Final answer
x = 441,789.48
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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.