Home / 397,015.07-595,187.77-172,206.24

Finding the Fourth Proportional to 397,015.07, 595,187.77 and 172,206.24

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Solution

The fourth proportional to 397,015.07, 595,187.77 and 172,206.24 is: 258,164.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,015.07 : 595,187.77 = 172,206.24 : x
  2. Step 2: Convert to fraction form
    397,015.07/595,187.77 = 172,206.24/x
  3. Step 3: Cross multiply
    397,015.07x = 595,187.77 × 172,206.24
  4. Step 4: Simplify right side
    397,015.07x = 102,495,047,535.17
  5. Step 5: Solve for x
    x = 102,495,047,535.17/397,015.07
  6. Step 6: Final answer
    x = 258,164.12

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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.