Finding the Fourth Proportional to 216,058.76, 323,621.58 and 210,771.08
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Solution
The fourth proportional to 216,058.76, 323,621.58 and 210,771.08 is: 315,701.48
Step by Step Solution
- Step 1: Write the proportion equation
216,058.76 : 323,621.58 = 210,771.08 : x - Step 2: Convert to fraction form
216,058.76/323,621.58 = 210,771.08/x - Step 3: Cross multiply
216,058.76x = 323,621.58 × 210,771.08 - Step 4: Simplify right side
216,058.76x = 68,210,069,927.91 - Step 5: Solve for x
x = 68,210,069,927.91/216,058.76 - Step 6: Final answer
x = 315,701.48
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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.