Finding the Fourth Proportional to 254,955.24, 382,432.44 and 121,430.52
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Solution
The fourth proportional to 254,955.24, 382,432.44 and 121,430.52 is: 182,145.58
Step by Step Solution
- Step 1: Write the proportion equation
254,955.24 : 382,432.44 = 121,430.52 : x - Step 2: Convert to fraction form
254,955.24/382,432.44 = 121,430.52/x - Step 3: Cross multiply
254,955.24x = 382,432.44 × 121,430.52 - Step 4: Simplify right side
254,955.24x = 46,438,970,054.07 - Step 5: Solve for x
x = 46,438,970,054.07/254,955.24 - Step 6: Final answer
x = 182,145.58
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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.