Finding the Fourth Proportional to 306,617.07, 423,143.70 and 170,656.74
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Solution
The fourth proportional to 306,617.07, 423,143.70 and 170,656.74 is: 235,513.06
Step by Step Solution
- Step 1: Write the proportion equation
306,617.07 : 423,143.70 = 170,656.74 : x - Step 2: Convert to fraction form
306,617.07/423,143.70 = 170,656.74/x - Step 3: Cross multiply
306,617.07x = 423,143.70 × 170,656.74 - Step 4: Simplify right side
306,617.07x = 72,212,324,393.54 - Step 5: Solve for x
x = 72,212,324,393.54/306,617.07 - Step 6: Final answer
x = 235,513.06
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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.