Finding the Fourth Proportional to 238,665.70, 358,014.35 and 70,201.09
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Solution
The fourth proportional to 238,665.70, 358,014.35 and 70,201.09 is: 105,306.28
Step by Step Solution
- Step 1: Write the proportion equation
238,665.70 : 358,014.35 = 70,201.09 : x - Step 2: Convert to fraction form
238,665.70/358,014.35 = 70,201.09/x - Step 3: Cross multiply
238,665.70x = 358,014.35 × 70,201.09 - Step 4: Simplify right side
238,665.70x = 25,132,997,605.64 - Step 5: Solve for x
x = 25,132,997,605.64/238,665.70 - Step 6: Final answer
x = 105,306.28
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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.