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Finding the Fourth Proportional to 268,567.50, 370,615.74 and 147,708.82

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Solution

The fourth proportional to 268,567.50, 370,615.74 and 147,708.82 is: 203,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,567.50 : 370,615.74 = 147,708.82 : x
  2. Step 2: Convert to fraction form
    268,567.50/370,615.74 = 147,708.82/x
  3. Step 3: Cross multiply
    268,567.50x = 370,615.74 × 147,708.82
  4. Step 4: Simplify right side
    268,567.50x = 54,743,213,628.83
  5. Step 5: Solve for x
    x = 54,743,213,628.83/268,567.50
  6. Step 6: Final answer
    x = 203,834.10

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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.