Home / 249,767.60-344,679.16-136,590.40

Finding the Fourth Proportional to 249,767.60, 344,679.16 and 136,590.40

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Solution

The fourth proportional to 249,767.60, 344,679.16 and 136,590.40 is: 188,494.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,767.60 : 344,679.16 = 136,590.40 : x
  2. Step 2: Convert to fraction form
    249,767.60/344,679.16 = 136,590.40/x
  3. Step 3: Cross multiply
    249,767.60x = 344,679.16 × 136,590.40
  4. Step 4: Simplify right side
    249,767.60x = 47,079,864,336.06
  5. Step 5: Solve for x
    x = 47,079,864,336.06/249,767.60
  6. Step 6: Final answer
    x = 188,494.68

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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.