Home / 476,188.58-657,138.38-261,332.30

Finding the Fourth Proportional to 476,188.58, 657,138.38 and 261,332.30

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Solution

The fourth proportional to 476,188.58, 657,138.38 and 261,332.30 is: 360,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,188.58 : 657,138.38 = 261,332.30 : x
  2. Step 2: Convert to fraction form
    476,188.58/657,138.38 = 261,332.30/x
  3. Step 3: Cross multiply
    476,188.58x = 657,138.38 × 261,332.30
  4. Step 4: Simplify right side
    476,188.58x = 171,731,484,263.67
  5. Step 5: Solve for x
    x = 171,731,484,263.67/476,188.58
  6. Step 6: Final answer
    x = 360,637.55

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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.