Home / 272,869.24-408,548.12-139,462.24

Finding the Fourth Proportional to 272,869.24, 408,548.12 and 139,462.24

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Solution

The fourth proportional to 272,869.24, 408,548.12 and 139,462.24 is: 208,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,869.24 : 408,548.12 = 139,462.24 : x
  2. Step 2: Convert to fraction form
    272,869.24/408,548.12 = 139,462.24/x
  3. Step 3: Cross multiply
    272,869.24x = 408,548.12 × 139,462.24
  4. Step 4: Simplify right side
    272,869.24x = 56,977,035,962.99
  5. Step 5: Solve for x
    x = 56,977,035,962.99/272,869.24
  6. Step 6: Final answer
    x = 208,807.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.