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Finding the Fourth Proportional to 525,471.21, 788,317.52 and 170,457.51

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Solution

The fourth proportional to 525,471.21, 788,317.52 and 170,457.51 is: 255,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,471.21 : 788,317.52 = 170,457.51 : x
  2. Step 2: Convert to fraction form
    525,471.21/788,317.52 = 170,457.51/x
  3. Step 3: Cross multiply
    525,471.21x = 788,317.52 × 170,457.51
  4. Step 4: Simplify right side
    525,471.21x = 134,374,640,696.29
  5. Step 5: Solve for x
    x = 134,374,640,696.29/525,471.21
  6. Step 6: Final answer
    x = 255,722.17

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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.