Finding the Fourth Proportional to 160,603.52, 221,532.57 and 103,317.62
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Solution
The fourth proportional to 160,603.52, 221,532.57 and 103,317.62 is: 142,513.80
Step by Step Solution
- Step 1: Write the proportion equation
160,603.52 : 221,532.57 = 103,317.62 : x - Step 2: Convert to fraction form
160,603.52/221,532.57 = 103,317.62/x - Step 3: Cross multiply
160,603.52x = 221,532.57 × 103,317.62 - Step 4: Simplify right side
160,603.52x = 22,888,216,777.22 - Step 5: Solve for x
x = 22,888,216,777.22/160,603.52 - Step 6: Final answer
x = 142,513.80
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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.