Home / 455,301.10-628,312.08-251,352.10

Finding the Fourth Proportional to 455,301.10, 628,312.08 and 251,352.10

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Solution

The fourth proportional to 455,301.10, 628,312.08 and 251,352.10 is: 346,864.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,301.10 : 628,312.08 = 251,352.10 : x
  2. Step 2: Convert to fraction form
    455,301.10/628,312.08 = 251,352.10/x
  3. Step 3: Cross multiply
    455,301.10x = 628,312.08 × 251,352.10
  4. Step 4: Simplify right side
    455,301.10x = 157,927,560,763.37
  5. Step 5: Solve for x
    x = 157,927,560,763.37/455,301.10
  6. Step 6: Final answer
    x = 346,864.00

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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.