Finding the Fourth Proportional to 234,197.65, 351,405.15 and 74,298.79
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Solution
The fourth proportional to 234,197.65, 351,405.15 and 74,298.79 is: 111,482.66
Step by Step Solution
- Step 1: Write the proportion equation
234,197.65 : 351,405.15 = 74,298.79 : x - Step 2: Convert to fraction form
234,197.65/351,405.15 = 74,298.79/x - Step 3: Cross multiply
234,197.65x = 351,405.15 × 74,298.79 - Step 4: Simplify right side
234,197.65x = 26,108,977,444.77 - Step 5: Solve for x
x = 26,108,977,444.77/234,197.65 - Step 6: Final answer
x = 111,482.66
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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.