Finding the Fourth Proportional to 260,975.34, 360,135.09 and 147,798.09
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Solution
The fourth proportional to 260,975.34, 360,135.09 and 147,798.09 is: 203,955.20
Step by Step Solution
- Step 1: Write the proportion equation
260,975.34 : 360,135.09 = 147,798.09 : x - Step 2: Convert to fraction form
260,975.34/360,135.09 = 147,798.09/x - Step 3: Cross multiply
260,975.34x = 360,135.09 × 147,798.09 - Step 4: Simplify right side
260,975.34x = 53,227,278,443.98 - Step 5: Solve for x
x = 53,227,278,443.98/260,975.34 - Step 6: Final answer
x = 203,955.20
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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.