Finding the Fourth Proportional to 256,374.05, 353,803.34 and 141,660.08
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Solution
The fourth proportional to 256,374.05, 353,803.34 and 141,660.08 is: 195,494.85
Step by Step Solution
- Step 1: Write the proportion equation
256,374.05 : 353,803.34 = 141,660.08 : x - Step 2: Convert to fraction form
256,374.05/353,803.34 = 141,660.08/x - Step 3: Cross multiply
256,374.05x = 353,803.34 × 141,660.08 - Step 4: Simplify right side
256,374.05x = 50,119,808,033.80 - Step 5: Solve for x
x = 50,119,808,033.80/256,374.05 - Step 6: Final answer
x = 195,494.85
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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.