Finding the Fourth Proportional to 239,389.68, 358,974.12 and 70,849.74
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Solution
The fourth proportional to 239,389.68, 358,974.12 and 70,849.74 is: 106,241.94
Step by Step Solution
- Step 1: Write the proportion equation
239,389.68 : 358,974.12 = 70,849.74 : x - Step 2: Convert to fraction form
239,389.68/358,974.12 = 70,849.74/x - Step 3: Cross multiply
239,389.68x = 358,974.12 × 70,849.74 - Step 4: Simplify right side
239,389.68x = 25,433,223,068.73 - Step 5: Solve for x
x = 25,433,223,068.73/239,389.68 - Step 6: Final answer
x = 106,241.94
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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.