Home / 289,390.20-433,502.10-164,585.40

Finding the Fourth Proportional to 289,390.20, 433,502.10 and 164,585.40

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Solution

The fourth proportional to 289,390.20, 433,502.10 and 164,585.40 is: 246,546.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,390.20 : 433,502.10 = 164,585.40 : x
  2. Step 2: Convert to fraction form
    289,390.20/433,502.10 = 164,585.40/x
  3. Step 3: Cross multiply
    289,390.20x = 433,502.10 × 164,585.40
  4. Step 4: Simplify right side
    289,390.20x = 71,348,116,529.34
  5. Step 5: Solve for x
    x = 71,348,116,529.34/289,390.20
  6. Step 6: Final answer
    x = 246,546.42

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1.5x scale

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.