Finding the Fourth Proportional to 687,624.33, 1,031,202.91 and 238,240.28
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Solution
The fourth proportional to 687,624.33, 1,031,202.91 and 238,240.28 is: 357,279.49
Step by Step Solution
- Step 1: Write the proportion equation
687,624.33 : 1,031,202.91 = 238,240.28 : x - Step 2: Convert to fraction form
687,624.33/1,031,202.91 = 238,240.28/x - Step 3: Cross multiply
687,624.33x = 1,031,202.91 × 238,240.28 - Step 4: Simplify right side
687,624.33x = 245,674,070,015.22 - Step 5: Solve for x
x = 245,674,070,015.22/687,624.33 - Step 6: Final answer
x = 357,279.49
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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.