Home / 297,383.10-446,031.45-86,999.10

Finding the Fourth Proportional to 297,383.10, 446,031.45 and 86,999.10

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Solution

The fourth proportional to 297,383.10, 446,031.45 and 86,999.10 is: 130,486.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,383.10 : 446,031.45 = 86,999.10 : x
  2. Step 2: Convert to fraction form
    297,383.10/446,031.45 = 86,999.10/x
  3. Step 3: Cross multiply
    297,383.10x = 446,031.45 × 86,999.10
  4. Step 4: Simplify right side
    297,383.10x = 38,804,334,721.70
  5. Step 5: Solve for x
    x = 38,804,334,721.70/297,383.10
  6. Step 6: Final answer
    x = 130,486.01

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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.