Finding the Fourth Proportional to 157,621.80, 236,432.70 and 153,247.80
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Solution
The fourth proportional to 157,621.80, 236,432.70 and 153,247.80 is: 229,871.70
Step by Step Solution
- Step 1: Write the proportion equation
157,621.80 : 236,432.70 = 153,247.80 : x - Step 2: Convert to fraction form
157,621.80/236,432.70 = 153,247.80/x - Step 3: Cross multiply
157,621.80x = 236,432.70 × 153,247.80 - Step 4: Simplify right side
157,621.80x = 36,232,791,123.06 - Step 5: Solve for x
x = 36,232,791,123.06/157,621.80 - Step 6: Final answer
x = 229,871.70
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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.