Finding the Fourth Proportional to 402,823.13, 555,896.52 and 233,068.19
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Solution
The fourth proportional to 402,823.13, 555,896.52 and 233,068.19 is: 321,634.45
Step by Step Solution
- Step 1: Write the proportion equation
402,823.13 : 555,896.52 = 233,068.19 : x - Step 2: Convert to fraction form
402,823.13/555,896.52 = 233,068.19/x - Step 3: Cross multiply
402,823.13x = 555,896.52 × 233,068.19 - Step 4: Simplify right side
402,823.13x = 129,561,792,964.22 - Step 5: Solve for x
x = 129,561,792,964.22/402,823.13 - Step 6: Final answer
x = 321,634.45
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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.