Home / 260,058.52-358,875.66-145,338.22

Finding the Fourth Proportional to 260,058.52, 358,875.66 and 145,338.22

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Solution

The fourth proportional to 260,058.52, 358,875.66 and 145,338.22 is: 200,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,058.52 : 358,875.66 = 145,338.22 : x
  2. Step 2: Convert to fraction form
    260,058.52/358,875.66 = 145,338.22/x
  3. Step 3: Cross multiply
    260,058.52x = 358,875.66 × 145,338.22
  4. Step 4: Simplify right side
    260,058.52x = 52,158,349,625.73
  5. Step 5: Solve for x
    x = 52,158,349,625.73/260,058.52
  6. Step 6: Final answer
    x = 200,563.89

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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.