Home / 249,558.03-344,389.32-136,380.78

Finding the Fourth Proportional to 249,558.03, 344,389.32 and 136,380.78

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Solution

The fourth proportional to 249,558.03, 344,389.32 and 136,380.78 is: 188,205.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,558.03 : 344,389.32 = 136,380.78 : x
  2. Step 2: Convert to fraction form
    249,558.03/344,389.32 = 136,380.78/x
  3. Step 3: Cross multiply
    249,558.03x = 344,389.32 × 136,380.78
  4. Step 4: Simplify right side
    249,558.03x = 46,968,084,085.27
  5. Step 5: Solve for x
    x = 46,968,084,085.27/249,558.03
  6. Step 6: Final answer
    x = 188,205.06

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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.