Finding the Fourth Proportional to 653,203.58, 979,866.99 and 253,874.93
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Solution
The fourth proportional to 653,203.58, 979,866.99 and 253,874.93 is: 380,836.34
Step by Step Solution
- Step 1: Write the proportion equation
653,203.58 : 979,866.99 = 253,874.93 : x - Step 2: Convert to fraction form
653,203.58/979,866.99 = 253,874.93/x - Step 3: Cross multiply
653,203.58x = 979,866.99 × 253,874.93 - Step 4: Simplify right side
653,203.58x = 248,763,658,596.23 - Step 5: Solve for x
x = 248,763,658,596.23/653,203.58 - Step 6: Final answer
x = 380,836.34
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1.5x scale
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.