Home / 351,027.40-525,005.10-313,856.20

Finding the Fourth Proportional to 351,027.40, 525,005.10 and 313,856.20

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Solution

The fourth proportional to 351,027.40, 525,005.10 and 313,856.20 is: 469,410.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,027.40 : 525,005.10 = 313,856.20 : x
  2. Step 2: Convert to fraction form
    351,027.40/525,005.10 = 313,856.20/x
  3. Step 3: Cross multiply
    351,027.40x = 525,005.10 × 313,856.20
  4. Step 4: Simplify right side
    351,027.40x = 164,776,105,666.62
  5. Step 5: Solve for x
    x = 164,776,105,666.62/351,027.40
  6. Step 6: Final answer
    x = 469,410.95

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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.