Finding the Fourth Proportional to 165,439.84, 228,318.88 and 93,826.08
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Solution
The fourth proportional to 165,439.84, 228,318.88 and 93,826.08 is: 129,486.74
Step by Step Solution
- Step 1: Write the proportion equation
165,439.84 : 228,318.88 = 93,826.08 : x - Step 2: Convert to fraction form
165,439.84/228,318.88 = 93,826.08/x - Step 3: Cross multiply
165,439.84x = 228,318.88 × 93,826.08 - Step 4: Simplify right side
165,439.84x = 21,422,265,500.39 - Step 5: Solve for x
x = 21,422,265,500.39/165,439.84 - Step 6: Final answer
x = 129,486.74
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.