Home / 345,461.10-476,729.92-188,298.36

Finding the Fourth Proportional to 345,461.10, 476,729.92 and 188,298.36

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Solution

The fourth proportional to 345,461.10, 476,729.92 and 188,298.36 is: 259,848.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,461.10 : 476,729.92 = 188,298.36 : x
  2. Step 2: Convert to fraction form
    345,461.10/476,729.92 = 188,298.36/x
  3. Step 3: Cross multiply
    345,461.10x = 476,729.92 × 188,298.36
  4. Step 4: Simplify right side
    345,461.10x = 89,767,462,098.93
  5. Step 5: Solve for x
    x = 89,767,462,098.93/345,461.10
  6. Step 6: Final answer
    x = 259,848.25

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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.