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Finding the Fourth Proportional to 525,409.34, 788,239.29 and 170,424.14

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Solution

The fourth proportional to 525,409.34, 788,239.29 and 170,424.14 is: 255,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,409.34 : 788,239.29 = 170,424.14 : x
  2. Step 2: Convert to fraction form
    525,409.34/788,239.29 = 170,424.14/x
  3. Step 3: Cross multiply
    525,409.34x = 788,239.29 × 170,424.14
  4. Step 4: Simplify right side
    525,409.34x = 134,335,003,112.46
  5. Step 5: Solve for x
    x = 134,335,003,112.46/525,409.34
  6. Step 6: Final answer
    x = 255,676.85

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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.