Finding the Fourth Proportional to 329,972.06, 495,011.70 and 102,214.49
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Solution
The fourth proportional to 329,972.06, 495,011.70 and 102,214.49 is: 153,338.33
Step by Step Solution
- Step 1: Write the proportion equation
329,972.06 : 495,011.70 = 102,214.49 : x - Step 2: Convert to fraction form
329,972.06/495,011.70 = 102,214.49/x - Step 3: Cross multiply
329,972.06x = 495,011.70 × 102,214.49 - Step 4: Simplify right side
329,972.06x = 50,597,365,984.47 - Step 5: Solve for x
x = 50,597,365,984.47/329,972.06 - Step 6: Final answer
x = 153,338.33
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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.