Home / 457,126.75-630,836.72-266,271.31

Finding the Fourth Proportional to 457,126.75, 630,836.72 and 266,271.31

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Solution

The fourth proportional to 457,126.75, 630,836.72 and 266,271.31 is: 367,455.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,126.75 : 630,836.72 = 266,271.31 : x
  2. Step 2: Convert to fraction form
    457,126.75/630,836.72 = 266,271.31/x
  3. Step 3: Cross multiply
    457,126.75x = 630,836.72 × 266,271.31
  4. Step 4: Simplify right side
    457,126.75x = 167,973,719,830.50
  5. Step 5: Solve for x
    x = 167,973,719,830.50/457,126.75
  6. Step 6: Final answer
    x = 367,455.46

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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.