Home / 245,749.33-368,673.18-77,312.02

Finding the Fourth Proportional to 245,749.33, 368,673.18 and 77,312.02

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Solution

The fourth proportional to 245,749.33, 368,673.18 and 77,312.02 is: 115,983.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,749.33 : 368,673.18 = 77,312.02 : x
  2. Step 2: Convert to fraction form
    245,749.33/368,673.18 = 77,312.02/x
  3. Step 3: Cross multiply
    245,749.33x = 368,673.18 × 77,312.02
  4. Step 4: Simplify right side
    245,749.33x = 28,502,868,265.62
  5. Step 5: Solve for x
    x = 28,502,868,265.62/245,749.33
  6. Step 6: Final answer
    x = 115,983.50

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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.