Finding the Fourth Proportional to 653,220.96, 979,450.08 and 253,394.53
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Solution
The fourth proportional to 653,220.96, 979,450.08 and 253,394.53 is: 379,943.86
Step by Step Solution
- Step 1: Write the proportion equation
653,220.96 : 979,450.08 = 253,394.53 : x - Step 2: Convert to fraction form
653,220.96/979,450.08 = 253,394.53/x - Step 3: Cross multiply
653,220.96x = 979,450.08 × 253,394.53 - Step 4: Simplify right side
653,220.96x = 248,187,289,281.21 - Step 5: Solve for x
x = 248,187,289,281.21/653,220.96 - Step 6: Final answer
x = 379,943.86
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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.