Home / 301,005.06-415,394.91-170,172.30

Finding the Fourth Proportional to 301,005.06, 415,394.91 and 170,172.30

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Solution

The fourth proportional to 301,005.06, 415,394.91 and 170,172.30 is: 234,842.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,005.06 : 415,394.91 = 170,172.30 : x
  2. Step 2: Convert to fraction form
    301,005.06/415,394.91 = 170,172.30/x
  3. Step 3: Cross multiply
    301,005.06x = 415,394.91 × 170,172.30
  4. Step 4: Simplify right side
    301,005.06x = 70,688,707,242.99
  5. Step 5: Solve for x
    x = 70,688,707,242.99/301,005.06
  6. Step 6: Final answer
    x = 234,842.26

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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.