Finding the Fourth Proportional to 391,232.84, 586,628.94 and 124,930.76
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Solution
The fourth proportional to 391,232.84, 586,628.94 and 124,930.76 is: 187,325.79
Step by Step Solution
- Step 1: Write the proportion equation
391,232.84 : 586,628.94 = 124,930.76 : x - Step 2: Convert to fraction form
391,232.84/586,628.94 = 124,930.76/x - Step 3: Cross multiply
391,232.84x = 586,628.94 × 124,930.76 - Step 4: Simplify right side
391,232.84x = 73,287,999,312.19 - Step 5: Solve for x
x = 73,287,999,312.19/391,232.84 - Step 6: Final answer
x = 187,325.79
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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.