Home / 476,112.80-657,013.64-261,247.52

Finding the Fourth Proportional to 476,112.80, 657,013.64 and 261,247.52

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Solution

The fourth proportional to 476,112.80, 657,013.64 and 261,247.52 is: 360,509.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,112.80 : 657,013.64 = 261,247.52 : x
  2. Step 2: Convert to fraction form
    476,112.80/657,013.64 = 261,247.52/x
  3. Step 3: Cross multiply
    476,112.80x = 657,013.64 × 261,247.52
  4. Step 4: Simplify right side
    476,112.80x = 171,643,184,056.17
  5. Step 5: Solve for x
    x = 171,643,184,056.17/476,112.80
  6. Step 6: Final answer
    x = 360,509.49

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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.