Home / 286,984.87-430,463.07-107,056.28

Finding the Fourth Proportional to 286,984.87, 430,463.07 and 107,056.28

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Solution

The fourth proportional to 286,984.87, 430,463.07 and 107,056.28 is: 160,579.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,984.87 : 430,463.07 = 107,056.28 : x
  2. Step 2: Convert to fraction form
    286,984.87/430,463.07 = 107,056.28/x
  3. Step 3: Cross multiply
    286,984.87x = 430,463.07 × 107,056.28
  4. Step 4: Simplify right side
    286,984.87x = 46,083,774,012.04
  5. Step 5: Solve for x
    x = 46,083,774,012.04/286,984.87
  6. Step 6: Final answer
    x = 160,579.11

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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.