Finding the Fourth Proportional to 230,527.14, 318,133.08 and 128,551.62
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Solution
The fourth proportional to 230,527.14, 318,133.08 and 128,551.62 is: 177,404.37
Step by Step Solution
- Step 1: Write the proportion equation
230,527.14 : 318,133.08 = 128,551.62 : x - Step 2: Convert to fraction form
230,527.14/318,133.08 = 128,551.62/x - Step 3: Cross multiply
230,527.14x = 318,133.08 × 128,551.62 - Step 4: Simplify right side
230,527.14x = 40,896,522,809.59 - Step 5: Solve for x
x = 40,896,522,809.59/230,527.14 - Step 6: Final answer
x = 177,404.37
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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.