Home / 281,767.12-388,837.63-152,708.72

Finding the Fourth Proportional to 281,767.12, 388,837.63 and 152,708.72

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Solution

The fourth proportional to 281,767.12, 388,837.63 and 152,708.72 is: 210,737.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,767.12 : 388,837.63 = 152,708.72 : x
  2. Step 2: Convert to fraction form
    281,767.12/388,837.63 = 152,708.72/x
  3. Step 3: Cross multiply
    281,767.12x = 388,837.63 × 152,708.72
  4. Step 4: Simplify right side
    281,767.12x = 59,378,898,408.48
  5. Step 5: Solve for x
    x = 59,378,898,408.48/281,767.12
  6. Step 6: Final answer
    x = 210,737.50

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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.