Finding the Fourth Proportional to 294,905.92, 442,358.88 and 73,289.92
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Solution
The fourth proportional to 294,905.92, 442,358.88 and 73,289.92 is: 109,934.88
Step by Step Solution
- Step 1: Write the proportion equation
294,905.92 : 442,358.88 = 73,289.92 : x - Step 2: Convert to fraction form
294,905.92/442,358.88 = 73,289.92/x - Step 3: Cross multiply
294,905.92x = 442,358.88 × 73,289.92 - Step 4: Simplify right side
294,905.92x = 32,420,446,926.49 - Step 5: Solve for x
x = 32,420,446,926.49/294,905.92 - Step 6: Final answer
x = 109,934.88
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1.5x scale
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.