Home / 320,341.12-442,072.48-175,147.36

Finding the Fourth Proportional to 320,341.12, 442,072.48 and 175,147.36

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Solution

The fourth proportional to 320,341.12, 442,072.48 and 175,147.36 is: 241,704.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,341.12 : 442,072.48 = 175,147.36 : x
  2. Step 2: Convert to fraction form
    320,341.12/442,072.48 = 175,147.36/x
  3. Step 3: Cross multiply
    320,341.12x = 442,072.48 × 175,147.36
  4. Step 4: Simplify right side
    320,341.12x = 77,427,827,800.65
  5. Step 5: Solve for x
    x = 77,427,827,800.65/320,341.12
  6. Step 6: Final answer
    x = 241,704.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.