Home / 286,685.73-430,026.17-73,453.23

Finding the Fourth Proportional to 286,685.73, 430,026.17 and 73,453.23

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Solution

The fourth proportional to 286,685.73, 430,026.17 and 73,453.23 is: 110,179.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,685.73 : 430,026.17 = 73,453.23 : x
  2. Step 2: Convert to fraction form
    286,685.73/430,026.17 = 73,453.23/x
  3. Step 3: Cross multiply
    286,685.73x = 430,026.17 × 73,453.23
  4. Step 4: Simplify right side
    286,685.73x = 31,586,810,803.76
  5. Step 5: Solve for x
    x = 31,586,810,803.76/286,685.73
  6. Step 6: Final answer
    x = 110,179.22

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1.5x scale

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.