Finding the Fourth Proportional to 316,770.65, 475,195.61 and 103,560.02
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Solution
The fourth proportional to 316,770.65, 475,195.61 and 103,560.02 is: 155,352.99
Step by Step Solution
- Step 1: Write the proportion equation
316,770.65 : 475,195.61 = 103,560.02 : x - Step 2: Convert to fraction form
316,770.65/475,195.61 = 103,560.02/x - Step 3: Cross multiply
316,770.65x = 475,195.61 × 103,560.02 - Step 4: Simplify right side
316,770.65x = 49,211,266,540.42 - Step 5: Solve for x
x = 49,211,266,540.42/316,770.65 - Step 6: Final answer
x = 155,352.99
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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.