Home / 259,485.40-358,028.77-157,508.35

Finding the Fourth Proportional to 259,485.40, 358,028.77 and 157,508.35

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Solution

The fourth proportional to 259,485.40, 358,028.77 and 157,508.35 is: 217,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,485.40 : 358,028.77 = 157,508.35 : x
  2. Step 2: Convert to fraction form
    259,485.40/358,028.77 = 157,508.35/x
  3. Step 3: Cross multiply
    259,485.40x = 358,028.77 × 157,508.35
  4. Step 4: Simplify right side
    259,485.40x = 56,392,520,815.23
  5. Step 5: Solve for x
    x = 56,392,520,815.23/259,485.40
  6. Step 6: Final answer
    x = 217,324.45

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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.