Home / 249,735.42-344,638.64-142,303.15

Finding the Fourth Proportional to 249,735.42, 344,638.64 and 142,303.15

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Solution

The fourth proportional to 249,735.42, 344,638.64 and 142,303.15 is: 196,380.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,735.42 : 344,638.64 = 142,303.15 : x
  2. Step 2: Convert to fraction form
    249,735.42/344,638.64 = 142,303.15/x
  3. Step 3: Cross multiply
    249,735.42x = 344,638.64 × 142,303.15
  4. Step 4: Simplify right side
    249,735.42x = 49,043,162,510.60
  5. Step 5: Solve for x
    x = 49,043,162,510.60/249,735.42
  6. Step 6: Final answer
    x = 196,380.48

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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.