Home / 286,744.48-430,087.07-97,200

Finding the Fourth Proportional to 286,744.48, 430,087.07 and 97,200

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Solution

The fourth proportional to 286,744.48, 430,087.07 and 97,200 is: 145,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,744.48 : 430,087.07 = 97,200 : x
  2. Step 2: Convert to fraction form
    286,744.48/430,087.07 = 97,200/x
  3. Step 3: Cross multiply
    286,744.48x = 430,087.07 × 97,200
  4. Step 4: Simplify right side
    286,744.48x = 41,804,462,900.25
  5. Step 5: Solve for x
    x = 41,804,462,900.25/286,744.48
  6. Step 6: Final answer
    x = 145,789.95

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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.