Finding the Fourth Proportional to 442,937.80, 664,406.70 and 302,969.80
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Solution
The fourth proportional to 442,937.80, 664,406.70 and 302,969.80 is: 454,454.70
Step by Step Solution
- Step 1: Write the proportion equation
442,937.80 : 664,406.70 = 302,969.80 : x - Step 2: Convert to fraction form
442,937.80/664,406.70 = 302,969.80/x - Step 3: Cross multiply
442,937.80x = 664,406.70 × 302,969.80 - Step 4: Simplify right side
442,937.80x = 201,295,165,017.66 - Step 5: Solve for x
x = 201,295,165,017.66/442,937.80 - Step 6: Final answer
x = 454,454.70
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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.