Finding the Fourth Proportional to 435,934.35, 653,548.68 and 136,260.68
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Solution
The fourth proportional to 435,934.35, 653,548.68 and 136,260.68 is: 204,280.72
Step by Step Solution
- Step 1: Write the proportion equation
435,934.35 : 653,548.68 = 136,260.68 : x - Step 2: Convert to fraction form
435,934.35/653,548.68 = 136,260.68/x - Step 3: Cross multiply
435,934.35x = 653,548.68 × 136,260.68 - Step 4: Simplify right side
435,934.35x = 89,052,984,282.16 - Step 5: Solve for x
x = 89,052,984,282.16/435,934.35 - Step 6: Final answer
x = 204,280.72
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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.