Finding the Fourth Proportional to 160,359.95, 221,291.29 and 88,742.99
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Solution
The fourth proportional to 160,359.95, 221,291.29 and 88,742.99 is: 122,462.32
Step by Step Solution
- Step 1: Write the proportion equation
160,359.95 : 221,291.29 = 88,742.99 : x - Step 2: Convert to fraction form
160,359.95/221,291.29 = 88,742.99/x - Step 3: Cross multiply
160,359.95x = 221,291.29 × 88,742.99 - Step 4: Simplify right side
160,359.95x = 19,638,051,399.71 - Step 5: Solve for x
x = 19,638,051,399.71/160,359.95 - Step 6: Final answer
x = 122,462.32
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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.