Finding the Fourth Proportional to 282,865.77, 390,331.58 and 166,560.84
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Solution
The fourth proportional to 282,865.77, 390,331.58 and 166,560.84 is: 229,840.31
Step by Step Solution
- Step 1: Write the proportion equation
282,865.77 : 390,331.58 = 166,560.84 : x - Step 2: Convert to fraction form
282,865.77/390,331.58 = 166,560.84/x - Step 3: Cross multiply
282,865.77x = 390,331.58 × 166,560.84 - Step 4: Simplify right side
282,865.77x = 65,013,955,010.52 - Step 5: Solve for x
x = 65,013,955,010.52/282,865.77 - Step 6: Final answer
x = 229,840.31
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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.