Finding the Fourth Proportional to 434,193.80, 651,290.70 and 360,465.80
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Solution
The fourth proportional to 434,193.80, 651,290.70 and 360,465.80 is: 540,698.70
Step by Step Solution
- Step 1: Write the proportion equation
434,193.80 : 651,290.70 = 360,465.80 : x - Step 2: Convert to fraction form
434,193.80/651,290.70 = 360,465.80/x - Step 3: Cross multiply
434,193.80x = 651,290.70 × 360,465.80 - Step 4: Simplify right side
434,193.80x = 234,768,023,208.06 - Step 5: Solve for x
x = 234,768,023,208.06/434,193.80 - Step 6: Final answer
x = 540,698.70
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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.