Finding the Fourth Proportional to 458,784.11, 688,183.08 and 159,274.20
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Solution
The fourth proportional to 458,784.11, 688,183.08 and 159,274.20 is: 238,913.70
Step by Step Solution
- Step 1: Write the proportion equation
458,784.11 : 688,183.08 = 159,274.20 : x - Step 2: Convert to fraction form
458,784.11/688,183.08 = 159,274.20/x - Step 3: Cross multiply
458,784.11x = 688,183.08 × 159,274.20 - Step 4: Simplify right side
458,784.11x = 109,609,808,923.26 - Step 5: Solve for x
x = 109,609,808,923.26/458,784.11 - Step 6: Final answer
x = 238,913.70
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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.