Home / 397,529.30-596,985.15-210,905.30

Finding the Fourth Proportional to 397,529.30, 596,985.15 and 210,905.30

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Solution

The fourth proportional to 397,529.30, 596,985.15 and 210,905.30 is: 316,724.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,529.30 : 596,985.15 = 210,905.30 : x
  2. Step 2: Convert to fraction form
    397,529.30/596,985.15 = 210,905.30/x
  3. Step 3: Cross multiply
    397,529.30x = 596,985.15 × 210,905.30
  4. Step 4: Simplify right side
    397,529.30x = 125,907,332,156.30
  5. Step 5: Solve for x
    x = 125,907,332,156.30/397,529.30
  6. Step 6: Final answer
    x = 316,724.66

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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.