Home / 460,199.10-690,345.77-176,128.55

Finding the Fourth Proportional to 460,199.10, 690,345.77 and 176,128.55

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Solution

The fourth proportional to 460,199.10, 690,345.77 and 176,128.55 is: 264,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,199.10 : 690,345.77 = 176,128.55 : x
  2. Step 2: Convert to fraction form
    460,199.10/690,345.77 = 176,128.55/x
  3. Step 3: Cross multiply
    460,199.10x = 690,345.77 × 176,128.55
  4. Step 4: Simplify right side
    460,199.10x = 121,589,595,136.36
  5. Step 5: Solve for x
    x = 121,589,595,136.36/460,199.10
  6. Step 6: Final answer
    x = 264,210.85

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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.