Home / 380,669.74-571,005.03-114,430.23

Finding the Fourth Proportional to 380,669.74, 571,005.03 and 114,430.23

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Solution

The fourth proportional to 380,669.74, 571,005.03 and 114,430.23 is: 171,645.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,669.74 : 571,005.03 = 114,430.23 : x
  2. Step 2: Convert to fraction form
    380,669.74/571,005.03 = 114,430.23/x
  3. Step 3: Cross multiply
    380,669.74x = 571,005.03 × 114,430.23
  4. Step 4: Simplify right side
    380,669.74x = 65,340,238,341.57
  5. Step 5: Solve for x
    x = 65,340,238,341.57/380,669.74
  6. Step 6: Final answer
    x = 171,645.48

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1.5x scale

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.