Finding the Fourth Proportional to 135,414.59, 203,140.79 and 56,510.74
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Solution
The fourth proportional to 135,414.59, 203,140.79 and 56,510.74 is: 84,774.00
Step by Step Solution
- Step 1: Write the proportion equation
135,414.59 : 203,140.79 = 56,510.74 : x - Step 2: Convert to fraction form
135,414.59/203,140.79 = 56,510.74/x - Step 3: Cross multiply
135,414.59x = 203,140.79 × 56,510.74 - Step 4: Simplify right side
135,414.59x = 11,479,636,367.08 - Step 5: Solve for x
x = 11,479,636,367.08/135,414.59 - Step 6: Final answer
x = 84,774.00
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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.