Finding the Fourth Proportional to 233,990.64, 350,985.96 and 76,219.08
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Solution
The fourth proportional to 233,990.64, 350,985.96 and 76,219.08 is: 114,328.62
Step by Step Solution
- Step 1: Write the proportion equation
233,990.64 : 350,985.96 = 76,219.08 : x - Step 2: Convert to fraction form
233,990.64/350,985.96 = 76,219.08/x - Step 3: Cross multiply
233,990.64x = 350,985.96 × 76,219.08 - Step 4: Simplify right side
233,990.64x = 26,751,826,964.12 - Step 5: Solve for x
x = 26,751,826,964.12/233,990.64 - Step 6: Final answer
x = 114,328.62
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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.