Home / 245,856.48-368,661.18-143,306.76

Finding the Fourth Proportional to 245,856.48, 368,661.18 and 143,306.76

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Solution

The fourth proportional to 245,856.48, 368,661.18 and 143,306.76 is: 214,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,856.48 : 368,661.18 = 143,306.76 : x
  2. Step 2: Convert to fraction form
    245,856.48/368,661.18 = 143,306.76/x
  3. Step 3: Cross multiply
    245,856.48x = 368,661.18 × 143,306.76
  4. Step 4: Simplify right side
    245,856.48x = 52,831,639,243.58
  5. Step 5: Solve for x
    x = 52,831,639,243.58/245,856.48
  6. Step 6: Final answer
    x = 214,888.13

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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.