Home / 224,430.28-309,826.02-139,574.68

Finding the Fourth Proportional to 224,430.28, 309,826.02 and 139,574.68

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Solution

The fourth proportional to 224,430.28, 309,826.02 and 139,574.68 is: 192,682.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,430.28 : 309,826.02 = 139,574.68 : x
  2. Step 2: Convert to fraction form
    224,430.28/309,826.02 = 139,574.68/x
  3. Step 3: Cross multiply
    224,430.28x = 309,826.02 × 139,574.68
  4. Step 4: Simplify right side
    224,430.28x = 43,243,867,597.17
  5. Step 5: Solve for x
    x = 43,243,867,597.17/224,430.28
  6. Step 6: Final answer
    x = 192,682.86

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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.