Finding the Fourth Proportional to 160,829.00, 221,970.65 and 89,232.09
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Solution
The fourth proportional to 160,829.00, 221,970.65 and 89,232.09 is: 123,155.06
Step by Step Solution
- Step 1: Write the proportion equation
160,829.00 : 221,970.65 = 89,232.09 : x - Step 2: Convert to fraction form
160,829.00/221,970.65 = 89,232.09/x - Step 3: Cross multiply
160,829.00x = 221,970.65 × 89,232.09 - Step 4: Simplify right side
160,829.00x = 19,806,904,988.19 - Step 5: Solve for x
x = 19,806,904,988.19/160,829.00 - Step 6: Final answer
x = 123,155.06
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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.