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Finding the Fourth Proportional to 525,477.51, 788,215.91 and 170,491.55

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Solution

The fourth proportional to 525,477.51, 788,215.91 and 170,491.55 is: 255,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,477.51 : 788,215.91 = 170,491.55 : x
  2. Step 2: Convert to fraction form
    525,477.51/788,215.91 = 170,491.55/x
  3. Step 3: Cross multiply
    525,477.51x = 788,215.91 × 170,491.55
  4. Step 4: Simplify right side
    525,477.51x = 134,384,147,437.02
  5. Step 5: Solve for x
    x = 134,384,147,437.02/525,477.51
  6. Step 6: Final answer
    x = 255,737.20

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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.