Home / 309,332.20-464,430.30-197,703.40

Finding the Fourth Proportional to 309,332.20, 464,430.30 and 197,703.40

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Solution

The fourth proportional to 309,332.20, 464,430.30 and 197,703.40 is: 296,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,332.20 : 464,430.30 = 197,703.40 : x
  2. Step 2: Convert to fraction form
    309,332.20/464,430.30 = 197,703.40/x
  3. Step 3: Cross multiply
    309,332.20x = 464,430.30 × 197,703.40
  4. Step 4: Simplify right side
    309,332.20x = 91,819,449,373.02
  5. Step 5: Solve for x
    x = 91,819,449,373.02/309,332.20
  6. Step 6: Final answer
    x = 296,831.20

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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.