Finding the Fourth Proportional to 245,742.24, 368,756.68 and 103,578.84
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Solution
The fourth proportional to 245,742.24, 368,756.68 and 103,578.84 is: 155,428.67
Step by Step Solution
- Step 1: Write the proportion equation
245,742.24 : 368,756.68 = 103,578.84 : x - Step 2: Convert to fraction form
245,742.24/368,756.68 = 103,578.84/x - Step 3: Cross multiply
245,742.24x = 368,756.68 × 103,578.84 - Step 4: Simplify right side
245,742.24x = 38,195,389,156.65 - Step 5: Solve for x
x = 38,195,389,156.65/245,742.24 - Step 6: Final answer
x = 155,428.67
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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.