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Finding the Fourth Proportional to 163,574, 245,360.60 and 51,262.80

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Solution

The fourth proportional to 163,574, 245,360.60 and 51,262.80 is: 76,894.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,574 : 245,360.60 = 51,262.80 : x
  2. Step 2: Convert to fraction form
    163,574/245,360.60 = 51,262.80/x
  3. Step 3: Cross multiply
    163,574x = 245,360.60 × 51,262.80
  4. Step 4: Simplify right side
    163,574x = 12,577,871,365.68
  5. Step 5: Solve for x
    x = 12,577,871,365.68/163,574
  6. Step 6: Final answer
    x = 76,894.07

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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.