Finding the Fourth Proportional to 602,202.87, 830,964.08 and 330,199.20
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Solution
The fourth proportional to 602,202.87, 830,964.08 and 330,199.20 is: 455,633.29
Step by Step Solution
- Step 1: Write the proportion equation
602,202.87 : 830,964.08 = 330,199.20 : x - Step 2: Convert to fraction form
602,202.87/830,964.08 = 330,199.20/x - Step 3: Cross multiply
602,202.87x = 830,964.08 × 330,199.20 - Step 4: Simplify right side
602,202.87x = 274,383,675,270.23 - Step 5: Solve for x
x = 274,383,675,270.23/602,202.87 - Step 6: Final answer
x = 455,633.29
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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.