Home / 404,905.23-607,295.54-135,038.12

Finding the Fourth Proportional to 404,905.23, 607,295.54 and 135,038.12

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Solution

The fourth proportional to 404,905.23, 607,295.54 and 135,038.12 is: 202,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,905.23 : 607,295.54 = 135,038.12 : x
  2. Step 2: Convert to fraction form
    404,905.23/607,295.54 = 135,038.12/x
  3. Step 3: Cross multiply
    404,905.23x = 607,295.54 × 135,038.12
  4. Step 4: Simplify right side
    404,905.23x = 82,008,048,005.98
  5. Step 5: Solve for x
    x = 82,008,048,005.98/404,905.23
  6. Step 6: Final answer
    x = 202,536.40

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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.