Home / 249,008.91-343,633.38-135,834.09

Finding the Fourth Proportional to 249,008.91, 343,633.38 and 135,834.09

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Solution

The fourth proportional to 249,008.91, 343,633.38 and 135,834.09 is: 187,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,008.91 : 343,633.38 = 135,834.09 : x
  2. Step 2: Convert to fraction form
    249,008.91/343,633.38 = 135,834.09/x
  3. Step 3: Cross multiply
    249,008.91x = 343,633.38 × 135,834.09
  4. Step 4: Simplify right side
    249,008.91x = 46,677,127,465.92
  5. Step 5: Solve for x
    x = 46,677,127,465.92/249,008.91
  6. Step 6: Final answer
    x = 187,451.64

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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.