Finding the Fourth Proportional to 536,768.80, 805,153.20 and 221,063.20
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Solution
The fourth proportional to 536,768.80, 805,153.20 and 221,063.20 is: 331,594.80
Step by Step Solution
- Step 1: Write the proportion equation
536,768.80 : 805,153.20 = 221,063.20 : x - Step 2: Convert to fraction form
536,768.80/805,153.20 = 221,063.20/x - Step 3: Cross multiply
536,768.80x = 805,153.20 × 221,063.20 - Step 4: Simplify right side
536,768.80x = 177,989,742,882.24 - Step 5: Solve for x
x = 177,989,742,882.24/536,768.80 - Step 6: Final answer
x = 331,594.80
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1.5x scale
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.