Finding the Fourth Proportional to 219,297.78, 302,638.26 and 134,398.44
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Solution
The fourth proportional to 219,297.78, 302,638.26 and 134,398.44 is: 185,474.34
Step by Step Solution
- Step 1: Write the proportion equation
219,297.78 : 302,638.26 = 134,398.44 : x - Step 2: Convert to fraction form
219,297.78/302,638.26 = 134,398.44/x - Step 3: Cross multiply
219,297.78x = 302,638.26 × 134,398.44 - Step 4: Simplify right side
219,297.78x = 40,674,110,028.31 - Step 5: Solve for x
x = 40,674,110,028.31/219,297.78 - Step 6: Final answer
x = 185,474.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.