Home / 259,485.12-358,007.04-152,020.80

Finding the Fourth Proportional to 259,485.12, 358,007.04 and 152,020.80

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Solution

The fourth proportional to 259,485.12, 358,007.04 and 152,020.80 is: 209,740.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,485.12 : 358,007.04 = 152,020.80 : x
  2. Step 2: Convert to fraction form
    259,485.12/358,007.04 = 152,020.80/x
  3. Step 3: Cross multiply
    259,485.12x = 358,007.04 × 152,020.80
  4. Step 4: Simplify right side
    259,485.12x = 54,424,516,626.43
  5. Step 5: Solve for x
    x = 54,424,516,626.43/259,485.12
  6. Step 6: Final answer
    x = 209,740.41

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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.