Finding the Fourth Proportional to 369,237.46, 553,806.96 and 102,975.68
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Solution
The fourth proportional to 369,237.46, 553,806.96 and 102,975.68 is: 154,449.79
Step by Step Solution
- Step 1: Write the proportion equation
369,237.46 : 553,806.96 = 102,975.68 : x - Step 2: Convert to fraction form
369,237.46/553,806.96 = 102,975.68/x - Step 3: Cross multiply
369,237.46x = 553,806.96 × 102,975.68 - Step 4: Simplify right side
369,237.46x = 57,028,648,294.73 - Step 5: Solve for x
x = 57,028,648,294.73/369,237.46 - Step 6: Final answer
x = 154,449.79
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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.