Home / 289,027.08-432,476.28-174,767.40

Finding the Fourth Proportional to 289,027.08, 432,476.28 and 174,767.40

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Solution

The fourth proportional to 289,027.08, 432,476.28 and 174,767.40 is: 261,507.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,027.08 : 432,476.28 = 174,767.40 : x
  2. Step 2: Convert to fraction form
    289,027.08/432,476.28 = 174,767.40/x
  3. Step 3: Cross multiply
    289,027.08x = 432,476.28 × 174,767.40
  4. Step 4: Simplify right side
    289,027.08x = 75,582,755,017.27
  5. Step 5: Solve for x
    x = 75,582,755,017.27/289,027.08
  6. Step 6: Final answer
    x = 261,507.52

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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.