Home / 455,373.04-628,424.68-251,423.28

Finding the Fourth Proportional to 455,373.04, 628,424.68 and 251,423.28

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Solution

The fourth proportional to 455,373.04, 628,424.68 and 251,423.28 is: 346,969.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,373.04 : 628,424.68 = 251,423.28 : x
  2. Step 2: Convert to fraction form
    455,373.04/628,424.68 = 251,423.28/x
  3. Step 3: Cross multiply
    455,373.04x = 628,424.68 × 251,423.28
  4. Step 4: Simplify right side
    455,373.04x = 158,000,594,278.55
  5. Step 5: Solve for x
    x = 158,000,594,278.55/455,373.04
  6. Step 6: Final answer
    x = 346,969.58

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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.