Finding the Fourth Proportional to 593,981.37, 890,971.58 and 214,813.28
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Solution
The fourth proportional to 593,981.37, 890,971.58 and 214,813.28 is: 322,219.75
Step by Step Solution
- Step 1: Write the proportion equation
593,981.37 : 890,971.58 = 214,813.28 : x - Step 2: Convert to fraction form
593,981.37/890,971.58 = 214,813.28/x - Step 3: Cross multiply
593,981.37x = 890,971.58 × 214,813.28 - Step 4: Simplify right side
593,981.37x = 191,392,530,251.05 - Step 5: Solve for x
x = 191,392,530,251.05/593,981.37 - Step 6: Final answer
x = 322,219.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.