Finding the Fourth Proportional to 455,535.80, 683,303.70 and 245,583.80
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Solution
The fourth proportional to 455,535.80, 683,303.70 and 245,583.80 is: 368,375.70
Step by Step Solution
- Step 1: Write the proportion equation
455,535.80 : 683,303.70 = 245,583.80 : x - Step 2: Convert to fraction form
455,535.80/683,303.70 = 245,583.80/x - Step 3: Cross multiply
455,535.80x = 683,303.70 × 245,583.80 - Step 4: Simplify right side
455,535.80x = 167,808,319,200.06 - Step 5: Solve for x
x = 167,808,319,200.06/455,535.80 - Step 6: Final answer
x = 368,375.70
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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.