Finding the Fourth Proportional to 162,829.29, 224,701.77 and 91,209.09
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Solution
The fourth proportional to 162,829.29, 224,701.77 and 91,209.09 is: 125,867.06
Step by Step Solution
- Step 1: Write the proportion equation
162,829.29 : 224,701.77 = 91,209.09 : x - Step 2: Convert to fraction form
162,829.29/224,701.77 = 91,209.09/x - Step 3: Cross multiply
162,829.29x = 224,701.77 × 91,209.09 - Step 4: Simplify right side
162,829.29x = 20,494,843,963.09 - Step 5: Solve for x
x = 20,494,843,963.09/162,829.29 - Step 6: Final answer
x = 125,867.06
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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.