Finding the Fourth Proportional to 160,424.75, 221,444.57 and 93,356.75
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Solution
The fourth proportional to 160,424.75, 221,444.57 and 93,356.75 is: 128,866.31
Step by Step Solution
- Step 1: Write the proportion equation
160,424.75 : 221,444.57 = 93,356.75 : x - Step 2: Convert to fraction form
160,424.75/221,444.57 = 93,356.75/x - Step 3: Cross multiply
160,424.75x = 221,444.57 × 93,356.75 - Step 4: Simplify right side
160,424.75x = 20,673,344,893.56 - Step 5: Solve for x
x = 20,673,344,893.56/160,424.75 - Step 6: Final answer
x = 128,866.31
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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.