Finding the Fourth Proportional to 173,352.18, 239,154.78 and 105,358.20
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Solution
The fourth proportional to 173,352.18, 239,154.78 and 105,358.20 is: 145,351.02
Step by Step Solution
- Step 1: Write the proportion equation
173,352.18 : 239,154.78 = 105,358.20 : x - Step 2: Convert to fraction form
173,352.18/239,154.78 = 105,358.20/x - Step 3: Cross multiply
173,352.18x = 239,154.78 × 105,358.20 - Step 4: Simplify right side
173,352.18x = 25,196,917,393.06 - Step 5: Solve for x
x = 25,196,917,393.06/173,352.18 - Step 6: Final answer
x = 145,351.02
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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.