Home / 380,457.24-524,911.53-219,289.92

Finding the Fourth Proportional to 380,457.24, 524,911.53 and 219,289.92

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Solution

The fourth proportional to 380,457.24, 524,911.53 and 219,289.92 is: 302,551.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,457.24 : 524,911.53 = 219,289.92 : x
  2. Step 2: Convert to fraction form
    380,457.24/524,911.53 = 219,289.92/x
  3. Step 3: Cross multiply
    380,457.24x = 524,911.53 × 219,289.92
  4. Step 4: Simplify right side
    380,457.24x = 115,107,807,420.78
  5. Step 5: Solve for x
    x = 115,107,807,420.78/380,457.24
  6. Step 6: Final answer
    x = 302,551.23

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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.