Home / 476,164.37-657,125.75-261,312.17

Finding the Fourth Proportional to 476,164.37, 657,125.75 and 261,312.17

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Solution

The fourth proportional to 476,164.37, 657,125.75 and 261,312.17 is: 360,621.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,164.37 : 657,125.75 = 261,312.17 : x
  2. Step 2: Convert to fraction form
    476,164.37/657,125.75 = 261,312.17/x
  3. Step 3: Cross multiply
    476,164.37x = 657,125.75 × 261,312.17
  4. Step 4: Simplify right side
    476,164.37x = 171,714,954,388.82
  5. Step 5: Solve for x
    x = 171,714,954,388.82/476,164.37
  6. Step 6: Final answer
    x = 360,621.18

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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.