Home / 246,430.64-340,073.88-139,000.34

Finding the Fourth Proportional to 246,430.64, 340,073.88 and 139,000.34

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Solution

The fourth proportional to 246,430.64, 340,073.88 and 139,000.34 is: 191,820.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,430.64 : 340,073.88 = 139,000.34 : x
  2. Step 2: Convert to fraction form
    246,430.64/340,073.88 = 139,000.34/x
  3. Step 3: Cross multiply
    246,430.64x = 340,073.88 × 139,000.34
  4. Step 4: Simplify right side
    246,430.64x = 47,270,384,945.12
  5. Step 5: Solve for x
    x = 47,270,384,945.12/246,430.64
  6. Step 6: Final answer
    x = 191,820.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.