Home / 379,826.59-524,139.37-207,710.32

Finding the Fourth Proportional to 379,826.59, 524,139.37 and 207,710.32

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Solution

The fourth proportional to 379,826.59, 524,139.37 and 207,710.32 is: 286,628.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,826.59 : 524,139.37 = 207,710.32 : x
  2. Step 2: Convert to fraction form
    379,826.59/524,139.37 = 207,710.32/x
  3. Step 3: Cross multiply
    379,826.59x = 524,139.37 × 207,710.32
  4. Step 4: Simplify right side
    379,826.59x = 108,869,156,267.30
  5. Step 5: Solve for x
    x = 108,869,156,267.30/379,826.59
  6. Step 6: Final answer
    x = 286,628.58

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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.