Home / 306,031.18-459,120.57-106,322.50

Finding the Fourth Proportional to 306,031.18, 459,120.57 and 106,322.50

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Solution

The fourth proportional to 306,031.18, 459,120.57 and 106,322.50 is: 159,509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,031.18 : 459,120.57 = 106,322.50 : x
  2. Step 2: Convert to fraction form
    306,031.18/459,120.57 = 106,322.50/x
  3. Step 3: Cross multiply
    306,031.18x = 459,120.57 × 106,322.50
  4. Step 4: Simplify right side
    306,031.18x = 48,814,846,803.83
  5. Step 5: Solve for x
    x = 48,814,846,803.83/306,031.18
  6. Step 6: Final answer
    x = 159,509.39

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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.