Finding the Fourth Proportional to 330,297.72, 455,795.58 and 187,058.79
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Solution
The fourth proportional to 330,297.72, 455,795.58 and 187,058.79 is: 258,132.48
Step by Step Solution
- Step 1: Write the proportion equation
330,297.72 : 455,795.58 = 187,058.79 : x - Step 2: Convert to fraction form
330,297.72/455,795.58 = 187,058.79/x - Step 3: Cross multiply
330,297.72x = 455,795.58 × 187,058.79 - Step 4: Simplify right side
330,297.72x = 85,260,569,682.15 - Step 5: Solve for x
x = 85,260,569,682.15/330,297.72 - Step 6: Final answer
x = 258,132.48
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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.