Home / 249,258.12-344,015.70-158,519.49

Finding the Fourth Proportional to 249,258.12, 344,015.70 and 158,519.49

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Solution

The fourth proportional to 249,258.12, 344,015.70 and 158,519.49 is: 218,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,258.12 : 344,015.70 = 158,519.49 : x
  2. Step 2: Convert to fraction form
    249,258.12/344,015.70 = 158,519.49/x
  3. Step 3: Cross multiply
    249,258.12x = 344,015.70 × 158,519.49
  4. Step 4: Simplify right side
    249,258.12x = 54,533,193,315.99
  5. Step 5: Solve for x
    x = 54,533,193,315.99/249,258.12
  6. Step 6: Final answer
    x = 218,782.01

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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.