Finding the Fourth Proportional to 290,926.35, 436,210.92 and 113,226.53
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Solution
The fourth proportional to 290,926.35, 436,210.92 and 113,226.53 is: 169,770.28
Step by Step Solution
- Step 1: Write the proportion equation
290,926.35 : 436,210.92 = 113,226.53 : x - Step 2: Convert to fraction form
290,926.35/436,210.92 = 113,226.53/x - Step 3: Cross multiply
290,926.35x = 436,210.92 × 113,226.53 - Step 4: Simplify right side
290,926.35x = 49,390,646,638.65 - Step 5: Solve for x
x = 49,390,646,638.65/290,926.35 - Step 6: Final answer
x = 169,770.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.