Finding the Fourth Proportional to 270,089.20, 372,713.08 and 149,227.88
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Solution
The fourth proportional to 270,089.20, 372,713.08 and 149,227.88 is: 205,928.94
Step by Step Solution
- Step 1: Write the proportion equation
270,089.20 : 372,713.08 = 149,227.88 : x - Step 2: Convert to fraction form
270,089.20/372,713.08 = 149,227.88/x - Step 3: Cross multiply
270,089.20x = 372,713.08 × 149,227.88 - Step 4: Simplify right side
270,089.20x = 55,619,182,030.53 - Step 5: Solve for x
x = 55,619,182,030.53/270,089.20 - Step 6: Final answer
x = 205,928.94
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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.