Home / 216,329.10-298,112.40-155,785.35

Finding the Fourth Proportional to 216,329.10, 298,112.40 and 155,785.35

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Solution

The fourth proportional to 216,329.10, 298,112.40 and 155,785.35 is: 214,680.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,329.10 : 298,112.40 = 155,785.35 : x
  2. Step 2: Convert to fraction form
    216,329.10/298,112.40 = 155,785.35/x
  3. Step 3: Cross multiply
    216,329.10x = 298,112.40 × 155,785.35
  4. Step 4: Simplify right side
    216,329.10x = 46,441,544,573.34
  5. Step 5: Solve for x
    x = 46,441,544,573.34/216,329.10
  6. Step 6: Final answer
    x = 214,680.06

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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.