Finding the Fourth Proportional to 230,598.23, 318,226.04 and 128,621.07
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Solution
The fourth proportional to 230,598.23, 318,226.04 and 128,621.07 is: 177,497.34
Step by Step Solution
- Step 1: Write the proportion equation
230,598.23 : 318,226.04 = 128,621.07 : x - Step 2: Convert to fraction form
230,598.23/318,226.04 = 128,621.07/x - Step 3: Cross multiply
230,598.23x = 318,226.04 × 128,621.07 - Step 4: Simplify right side
230,598.23x = 40,930,572,175.53 - Step 5: Solve for x
x = 40,930,572,175.53/230,598.23 - Step 6: Final answer
x = 177,497.34
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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.