Finding the Fourth Proportional to 254,911.20, 382,417.84 and 142,750.92
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Solution
The fourth proportional to 254,911.20, 382,417.84 and 142,750.92 is: 214,154.96
Step by Step Solution
- Step 1: Write the proportion equation
254,911.20 : 382,417.84 = 142,750.92 : x - Step 2: Convert to fraction form
254,911.20/382,417.84 = 142,750.92/x - Step 3: Cross multiply
254,911.20x = 382,417.84 × 142,750.92 - Step 4: Simplify right side
254,911.20x = 54,590,498,484.41 - Step 5: Solve for x
x = 54,590,498,484.41/254,911.20 - Step 6: Final answer
x = 214,154.96
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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.