Home / 286,768.05-430,150.63-73,535.01

Finding the Fourth Proportional to 286,768.05, 430,150.63 and 73,535.01

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Solution

The fourth proportional to 286,768.05, 430,150.63 and 73,535.01 is: 110,302.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,768.05 : 430,150.63 = 73,535.01 : x
  2. Step 2: Convert to fraction form
    286,768.05/430,150.63 = 73,535.01/x
  3. Step 3: Cross multiply
    286,768.05x = 430,150.63 × 73,535.01
  4. Step 4: Simplify right side
    286,768.05x = 31,631,130,878.56
  5. Step 5: Solve for x
    x = 31,631,130,878.56/286,768.05
  6. Step 6: Final answer
    x = 110,302.14

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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.