Finding the Fourth Proportional to 234,980.76, 352,432.26 and 77,210.58
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Solution
The fourth proportional to 234,980.76, 352,432.26 and 77,210.58 is: 115,803.09
Step by Step Solution
- Step 1: Write the proportion equation
234,980.76 : 352,432.26 = 77,210.58 : x - Step 2: Convert to fraction form
234,980.76/352,432.26 = 77,210.58/x - Step 3: Cross multiply
234,980.76x = 352,432.26 × 77,210.58 - Step 4: Simplify right side
234,980.76x = 27,211,499,205.31 - Step 5: Solve for x
x = 27,211,499,205.31/234,980.76 - Step 6: Final answer
x = 115,803.09
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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.