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Finding the Fourth Proportional to 150,484.68, 225,726.84 and 45,303.48

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Solution

The fourth proportional to 150,484.68, 225,726.84 and 45,303.48 is: 67,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,484.68 : 225,726.84 = 45,303.48 : x
  2. Step 2: Convert to fraction form
    150,484.68/225,726.84 = 45,303.48/x
  3. Step 3: Cross multiply
    150,484.68x = 225,726.84 × 45,303.48
  4. Step 4: Simplify right side
    150,484.68x = 10,226,211,381.40
  5. Step 5: Solve for x
    x = 10,226,211,381.40/150,484.68
  6. Step 6: Final answer
    x = 67,955.17

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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.