Finding the Fourth Proportional to 256,660.08, 354,184.76 and 149,267.45
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Solution
The fourth proportional to 256,660.08, 354,184.76 and 149,267.45 is: 205,985.49
Step by Step Solution
- Step 1: Write the proportion equation
256,660.08 : 354,184.76 = 149,267.45 : x - Step 2: Convert to fraction form
256,660.08/354,184.76 = 149,267.45/x - Step 3: Cross multiply
256,660.08x = 354,184.76 × 149,267.45 - Step 4: Simplify right side
256,660.08x = 52,868,253,436.80 - Step 5: Solve for x
x = 52,868,253,436.80/256,660.08 - Step 6: Final answer
x = 205,985.49
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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.