Home / 448,847.16-619,432.77-257,872.92

Finding the Fourth Proportional to 448,847.16, 619,432.77 and 257,872.92

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Solution

The fourth proportional to 448,847.16, 619,432.77 and 257,872.92 is: 355,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,847.16 : 619,432.77 = 257,872.92 : x
  2. Step 2: Convert to fraction form
    448,847.16/619,432.77 = 257,872.92/x
  3. Step 3: Cross multiply
    448,847.16x = 619,432.77 × 257,872.92
  4. Step 4: Simplify right side
    448,847.16x = 159,734,937,143.59
  5. Step 5: Solve for x
    x = 159,734,937,143.59/448,847.16
  6. Step 6: Final answer
    x = 355,878.24

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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.