Home / 457,127.12-630,837.24-266,271.68

Finding the Fourth Proportional to 457,127.12, 630,837.24 and 266,271.68

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Solution

The fourth proportional to 457,127.12, 630,837.24 and 266,271.68 is: 367,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,127.12 : 630,837.24 = 266,271.68 : x
  2. Step 2: Convert to fraction form
    457,127.12/630,837.24 = 266,271.68/x
  3. Step 3: Cross multiply
    457,127.12x = 630,837.24 × 266,271.68
  4. Step 4: Simplify right side
    457,127.12x = 167,974,091,701.36
  5. Step 5: Solve for x
    x = 167,974,091,701.36/457,127.12
  6. Step 6: Final answer
    x = 367,455.98

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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.