Home / 311,829.15-430,325.28-168,590.22

Finding the Fourth Proportional to 311,829.15, 430,325.28 and 168,590.22

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Solution

The fourth proportional to 311,829.15, 430,325.28 and 168,590.22 is: 232,655.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,829.15 : 430,325.28 = 168,590.22 : x
  2. Step 2: Convert to fraction form
    311,829.15/430,325.28 = 168,590.22/x
  3. Step 3: Cross multiply
    311,829.15x = 430,325.28 × 168,590.22
  4. Step 4: Simplify right side
    311,829.15x = 72,548,633,626.76
  5. Step 5: Solve for x
    x = 72,548,633,626.76/311,829.15
  6. Step 6: Final answer
    x = 232,655.07

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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.