Home / 249,003.72-343,626.18-135,828.84

Finding the Fourth Proportional to 249,003.72, 343,626.18 and 135,828.84

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Solution

The fourth proportional to 249,003.72, 343,626.18 and 135,828.84 is: 187,444.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,003.72 : 343,626.18 = 135,828.84 : x
  2. Step 2: Convert to fraction form
    249,003.72/343,626.18 = 135,828.84/x
  3. Step 3: Cross multiply
    249,003.72x = 343,626.18 × 135,828.84
  4. Step 4: Simplify right side
    249,003.72x = 46,674,345,423.03
  5. Step 5: Solve for x
    x = 46,674,345,423.03/249,003.72
  6. Step 6: Final answer
    x = 187,444.37

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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.