Home / 409,271.39-613,878.48-153,055.19

Finding the Fourth Proportional to 409,271.39, 613,878.48 and 153,055.19

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Solution

The fourth proportional to 409,271.39, 613,878.48 and 153,055.19 is: 229,572.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,271.39 : 613,878.48 = 153,055.19 : x
  2. Step 2: Convert to fraction form
    409,271.39/613,878.48 = 153,055.19/x
  3. Step 3: Cross multiply
    409,271.39x = 613,878.48 × 153,055.19
  4. Step 4: Simplify right side
    409,271.39x = 93,957,288,928.01
  5. Step 5: Solve for x
    x = 93,957,288,928.01/409,271.39
  6. Step 6: Final answer
    x = 229,572.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.