Finding the Fourth Proportional to 160,605.99, 221,620.86 and 88,984.58
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Solution
The fourth proportional to 160,605.99, 221,620.86 and 88,984.58 is: 122,790.18
Step by Step Solution
- Step 1: Write the proportion equation
160,605.99 : 221,620.86 = 88,984.58 : x - Step 2: Convert to fraction form
160,605.99/221,620.86 = 88,984.58/x - Step 3: Cross multiply
160,605.99x = 221,620.86 × 88,984.58 - Step 4: Simplify right side
160,605.99x = 19,720,838,038.23 - Step 5: Solve for x
x = 19,720,838,038.23/160,605.99 - Step 6: Final answer
x = 122,790.18
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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.