Home / 455,140.02-682,498.74-265,655.10

Finding the Fourth Proportional to 455,140.02, 682,498.74 and 265,655.10

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Solution

The fourth proportional to 455,140.02, 682,498.74 and 265,655.10 is: 398,359.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,140.02 : 682,498.74 = 265,655.10 : x
  2. Step 2: Convert to fraction form
    455,140.02/682,498.74 = 265,655.10/x
  3. Step 3: Cross multiply
    455,140.02x = 682,498.74 × 265,655.10
  4. Step 4: Simplify right side
    455,140.02x = 181,309,271,024.57
  5. Step 5: Solve for x
    x = 181,309,271,024.57/455,140.02
  6. Step 6: Final answer
    x = 398,359.32

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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.