Finding the Fourth Proportional to 240,178.42, 331,463.37 and 132,746.12
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Solution
The fourth proportional to 240,178.42, 331,463.37 and 132,746.12 is: 183,199.12
Step by Step Solution
- Step 1: Write the proportion equation
240,178.42 : 331,463.37 = 132,746.12 : x - Step 2: Convert to fraction form
240,178.42/331,463.37 = 132,746.12/x - Step 3: Cross multiply
240,178.42x = 331,463.37 × 132,746.12 - Step 4: Simplify right side
240,178.42x = 44,000,476,289.62 - Step 5: Solve for x
x = 44,000,476,289.62/240,178.42 - Step 6: Final answer
x = 183,199.12
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1.5x scale
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.