Finding the Fourth Proportional to 183,970.19, 275,955.29 and 57,620.33
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Solution
The fourth proportional to 183,970.19, 275,955.29 and 57,620.33 is: 86,430.49
Step by Step Solution
- Step 1: Write the proportion equation
183,970.19 : 275,955.29 = 57,620.33 : x - Step 2: Convert to fraction form
183,970.19/275,955.29 = 57,620.33/x - Step 3: Cross multiply
183,970.19x = 275,955.29 × 57,620.33 - Step 4: Simplify right side
183,970.19x = 15,900,633,423.24 - Step 5: Solve for x
x = 15,900,633,423.24/183,970.19 - Step 6: Final answer
x = 86,430.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.