Home / 427,450.10-589,898.50-236,460.20

Finding the Fourth Proportional to 427,450.10, 589,898.50 and 236,460.20

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Solution

The fourth proportional to 427,450.10, 589,898.50 and 236,460.20 is: 326,324.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,450.10 : 589,898.50 = 236,460.20 : x
  2. Step 2: Convert to fraction form
    427,450.10/589,898.50 = 236,460.20/x
  3. Step 3: Cross multiply
    427,450.10x = 589,898.50 × 236,460.20
  4. Step 4: Simplify right side
    427,450.10x = 139,487,513,749.06
  5. Step 5: Solve for x
    x = 139,487,513,749.06/427,450.10
  6. Step 6: Final answer
    x = 326,324.68

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1.5x scale

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.