Home / 379,329.21-523,510.47-207,273.30

Finding the Fourth Proportional to 379,329.21, 523,510.47 and 207,273.30

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Solution

The fourth proportional to 379,329.21, 523,510.47 and 207,273.30 is: 286,056.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,329.21 : 523,510.47 = 207,273.30 : x
  2. Step 2: Convert to fraction form
    379,329.21/523,510.47 = 207,273.30/x
  3. Step 3: Cross multiply
    379,329.21x = 523,510.47 × 207,273.30
  4. Step 4: Simplify right side
    379,329.21x = 108,509,742,701.45
  5. Step 5: Solve for x
    x = 108,509,742,701.45/379,329.21
  6. Step 6: Final answer
    x = 286,056.91

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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.