Finding the Fourth Proportional to 539,223.40, 809,126.70 and 239,750.20
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Solution
The fourth proportional to 539,223.40, 809,126.70 and 239,750.20 is: 359,754.95
Step by Step Solution
- Step 1: Write the proportion equation
539,223.40 : 809,126.70 = 239,750.20 : x - Step 2: Convert to fraction form
539,223.40/809,126.70 = 239,750.20/x - Step 3: Cross multiply
539,223.40x = 809,126.70 × 239,750.20 - Step 4: Simplify right side
539,223.40x = 193,988,288,150.34 - Step 5: Solve for x
x = 193,988,288,150.34/539,223.40 - Step 6: Final answer
x = 359,754.95
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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.