Home / 426,895.88-640,674.28-160,898.36

Finding the Fourth Proportional to 426,895.88, 640,674.28 and 160,898.36

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Solution

The fourth proportional to 426,895.88, 640,674.28 and 160,898.36 is: 241,472.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,895.88 : 640,674.28 = 160,898.36 : x
  2. Step 2: Convert to fraction form
    426,895.88/640,674.28 = 160,898.36/x
  3. Step 3: Cross multiply
    426,895.88x = 640,674.28 × 160,898.36
  4. Step 4: Simplify right side
    426,895.88x = 103,083,440,946.18
  5. Step 5: Solve for x
    x = 103,083,440,946.18/426,895.88
  6. Step 6: Final answer
    x = 241,472.09

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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.