Finding the Fourth Proportional to 233,281.12, 349,977.21 and 75,509.56
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Solution
The fourth proportional to 233,281.12, 349,977.21 and 75,509.56 is: 113,282.31
Step by Step Solution
- Step 1: Write the proportion equation
233,281.12 : 349,977.21 = 75,509.56 : x - Step 2: Convert to fraction form
233,281.12/349,977.21 = 75,509.56/x - Step 3: Cross multiply
233,281.12x = 349,977.21 × 75,509.56 - Step 4: Simplify right side
233,281.12x = 26,426,625,137.13 - Step 5: Solve for x
x = 26,426,625,137.13/233,281.12 - Step 6: Final answer
x = 113,282.31
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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.