Home / 249,735.71-344,568.83-142,303.46

Finding the Fourth Proportional to 249,735.71, 344,568.83 and 142,303.46

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Solution

The fourth proportional to 249,735.71, 344,568.83 and 142,303.46 is: 196,340.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,735.71 : 344,568.83 = 142,303.46 : x
  2. Step 2: Convert to fraction form
    249,735.71/344,568.83 = 142,303.46/x
  3. Step 3: Cross multiply
    249,735.71x = 344,568.83 × 142,303.46
  4. Step 4: Simplify right side
    249,735.71x = 49,033,334,282.79
  5. Step 5: Solve for x
    x = 49,033,334,282.79/249,735.71
  6. Step 6: Final answer
    x = 196,340.90

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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.