Home / 246,707.02-340,478.13-139,303.45

Finding the Fourth Proportional to 246,707.02, 340,478.13 and 139,303.45

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Solution

The fourth proportional to 246,707.02, 340,478.13 and 139,303.45 is: 192,251.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,707.02 : 340,478.13 = 139,303.45 : x
  2. Step 2: Convert to fraction form
    246,707.02/340,478.13 = 139,303.45/x
  3. Step 3: Cross multiply
    246,707.02x = 340,478.13 × 139,303.45
  4. Step 4: Simplify right side
    246,707.02x = 47,429,778,158.55
  5. Step 5: Solve for x
    x = 47,429,778,158.55/246,707.02
  6. Step 6: Final answer
    x = 192,251.43

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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.