Home / 249,728.03-344,558.25-142,295.75

Finding the Fourth Proportional to 249,728.03, 344,558.25 and 142,295.75

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Solution

The fourth proportional to 249,728.03, 344,558.25 and 142,295.75 is: 196,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,728.03 : 344,558.25 = 142,295.75 : x
  2. Step 2: Convert to fraction form
    249,728.03/344,558.25 = 142,295.75/x
  3. Step 3: Cross multiply
    249,728.03x = 344,558.25 × 142,295.75
  4. Step 4: Simplify right side
    249,728.03x = 49,029,172,879.65
  5. Step 5: Solve for x
    x = 49,029,172,879.65/249,728.03
  6. Step 6: Final answer
    x = 196,330.28

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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.