Finding the Fourth Proportional to 467,980.84, 645,813.70 and 264,074.98
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Solution
The fourth proportional to 467,980.84, 645,813.70 and 264,074.98 is: 364,423.55
Step by Step Solution
- Step 1: Write the proportion equation
467,980.84 : 645,813.70 = 264,074.98 : x - Step 2: Convert to fraction form
467,980.84/645,813.70 = 264,074.98/x - Step 3: Cross multiply
467,980.84x = 645,813.70 × 264,074.98 - Step 4: Simplify right side
467,980.84x = 170,543,239,911.23 - Step 5: Solve for x
x = 170,543,239,911.23/467,980.84 - Step 6: Final answer
x = 364,423.55
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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.