Home / 348,150.77-480,449.28-219,174.57

Finding the Fourth Proportional to 348,150.77, 480,449.28 and 219,174.57

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Solution

The fourth proportional to 348,150.77, 480,449.28 and 219,174.57 is: 302,461.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,150.77 : 480,449.28 = 219,174.57 : x
  2. Step 2: Convert to fraction form
    348,150.77/480,449.28 = 219,174.57/x
  3. Step 3: Cross multiply
    348,150.77x = 480,449.28 × 219,174.57
  4. Step 4: Simplify right side
    348,150.77x = 105,302,264,350.81
  5. Step 5: Solve for x
    x = 105,302,264,350.81/348,150.77
  6. Step 6: Final answer
    x = 302,461.68

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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.