Finding the Fourth Proportional to 458,784.09, 688,183.06 and 159,274.19
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Solution
The fourth proportional to 458,784.09, 688,183.06 and 159,274.19 is: 238,913.69
Step by Step Solution
- Step 1: Write the proportion equation
458,784.09 : 688,183.06 = 159,274.19 : x - Step 2: Convert to fraction form
458,784.09/688,183.06 = 159,274.19/x - Step 3: Cross multiply
458,784.09x = 688,183.06 × 159,274.19 - Step 4: Simplify right side
458,784.09x = 109,609,800,775.49 - Step 5: Solve for x
x = 109,609,800,775.49/458,784.09 - Step 6: Final answer
x = 238,913.69
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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.