Finding the Fourth Proportional to 493,310.19, 680,770.14 and 266,955.69
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Solution
The fourth proportional to 493,310.19, 680,770.14 and 266,955.69 is: 368,399.98
Step by Step Solution
- Step 1: Write the proportion equation
493,310.19 : 680,770.14 = 266,955.69 : x - Step 2: Convert to fraction form
493,310.19/680,770.14 = 266,955.69/x - Step 3: Cross multiply
493,310.19x = 680,770.14 × 266,955.69 - Step 4: Simplify right side
493,310.19x = 181,735,462,455.10 - Step 5: Solve for x
x = 181,735,462,455.10/493,310.19 - Step 6: Final answer
x = 368,399.98
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1.5x scale
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.