Finding the Fourth Proportional to 458,963.17, 688,281.84 and 134,660.75
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Solution
The fourth proportional to 458,963.17, 688,281.84 and 134,660.75 is: 201,943.33
Step by Step Solution
- Step 1: Write the proportion equation
458,963.17 : 688,281.84 = 134,660.75 : x - Step 2: Convert to fraction form
458,963.17/688,281.84 = 134,660.75/x - Step 3: Cross multiply
458,963.17x = 688,281.84 × 134,660.75 - Step 4: Simplify right side
458,963.17x = 92,684,548,785.78 - Step 5: Solve for x
x = 92,684,548,785.78/458,963.17 - Step 6: Final answer
x = 201,943.33
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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.