Finding the Fourth Proportional to 159,570.97, 220,209.47 and 87,953.74
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Solution
The fourth proportional to 159,570.97, 220,209.47 and 87,953.74 is: 121,377.00
Step by Step Solution
- Step 1: Write the proportion equation
159,570.97 : 220,209.47 = 87,953.74 : x - Step 2: Convert to fraction form
159,570.97/220,209.47 = 87,953.74/x - Step 3: Cross multiply
159,570.97x = 220,209.47 × 87,953.74 - Step 4: Simplify right side
159,570.97x = 19,368,245,809.45 - Step 5: Solve for x
x = 19,368,245,809.45/159,570.97 - Step 6: Final answer
x = 121,377.00
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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.