Home / 397,848.12-597,011.74-145,150.80

Finding the Fourth Proportional to 397,848.12, 597,011.74 and 145,150.80

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Solution

The fourth proportional to 397,848.12, 597,011.74 and 145,150.80 is: 217,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,848.12 : 597,011.74 = 145,150.80 : x
  2. Step 2: Convert to fraction form
    397,848.12/597,011.74 = 145,150.80/x
  3. Step 3: Cross multiply
    397,848.12x = 597,011.74 × 145,150.80
  4. Step 4: Simplify right side
    397,848.12x = 86,656,731,670.39
  5. Step 5: Solve for x
    x = 86,656,731,670.39/397,848.12
  6. Step 6: Final answer
    x = 217,813.60

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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.