Home / 397,343.20-596,014.80-97,821.40

Finding the Fourth Proportional to 397,343.20, 596,014.80 and 97,821.40

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Solution

The fourth proportional to 397,343.20, 596,014.80 and 97,821.40 is: 146,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,343.20 : 596,014.80 = 97,821.40 : x
  2. Step 2: Convert to fraction form
    397,343.20/596,014.80 = 97,821.40/x
  3. Step 3: Cross multiply
    397,343.20x = 596,014.80 × 97,821.40
  4. Step 4: Simplify right side
    397,343.20x = 58,303,002,156.72
  5. Step 5: Solve for x
    x = 58,303,002,156.72/397,343.20
  6. Step 6: Final answer
    x = 146,732.10

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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.