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Finding the Fourth Proportional to 303,359.85, 454,670.82 and 214,638.93

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Solution

The fourth proportional to 303,359.85, 454,670.82 and 214,638.93 is: 321,697.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,359.85 : 454,670.82 = 214,638.93 : x
  2. Step 2: Convert to fraction form
    303,359.85/454,670.82 = 214,638.93/x
  3. Step 3: Cross multiply
    303,359.85x = 454,670.82 × 214,638.93
  4. Step 4: Simplify right side
    303,359.85x = 97,590,058,307.02
  5. Step 5: Solve for x
    x = 97,590,058,307.02/303,359.85
  6. Step 6: Final answer
    x = 321,697.34

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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.