Finding the Fourth Proportional to 357,697.18, 493,660.07 and 214,470.55
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Solution
The fourth proportional to 357,697.18, 493,660.07 and 214,470.55 is: 295,992.12
Step by Step Solution
- Step 1: Write the proportion equation
357,697.18 : 493,660.07 = 214,470.55 : x - Step 2: Convert to fraction form
357,697.18/493,660.07 = 214,470.55/x - Step 3: Cross multiply
357,697.18x = 493,660.07 × 214,470.55 - Step 4: Simplify right side
357,697.18x = 105,875,546,725.94 - Step 5: Solve for x
x = 105,875,546,725.94/357,697.18 - Step 6: Final answer
x = 295,992.12
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1.5x scale
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.