Finding the Fourth Proportional to 509,570.70, 764,161.65 and 154,466.70
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Solution
The fourth proportional to 509,570.70, 764,161.65 and 154,466.70 is: 231,641.12
Step by Step Solution
- Step 1: Write the proportion equation
509,570.70 : 764,161.65 = 154,466.70 : x - Step 2: Convert to fraction form
509,570.70/764,161.65 = 154,466.70/x - Step 3: Cross multiply
509,570.70x = 764,161.65 × 154,466.70 - Step 4: Simplify right side
509,570.70x = 118,037,528,342.06 - Step 5: Solve for x
x = 118,037,528,342.06/509,570.70 - Step 6: Final answer
x = 231,641.12
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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.