Finding the Fourth Proportional to 329,348.74, 454,495.29 and 186,105.70
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Solution
The fourth proportional to 329,348.74, 454,495.29 and 186,105.70 is: 256,822.49
Step by Step Solution
- Step 1: Write the proportion equation
329,348.74 : 454,495.29 = 186,105.70 : x - Step 2: Convert to fraction form
329,348.74/454,495.29 = 186,105.70/x - Step 3: Cross multiply
329,348.74x = 454,495.29 × 186,105.70 - Step 4: Simplify right side
329,348.74x = 84,584,164,092.15 - Step 5: Solve for x
x = 84,584,164,092.15/329,348.74 - Step 6: Final answer
x = 256,822.49
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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.