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Finding the Fourth Proportional to 370,152.68, 555,450.22 and 340,037.69

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Solution

The fourth proportional to 370,152.68, 555,450.22 and 340,037.69 is: 510,259.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,152.68 : 555,450.22 = 340,037.69 : x
  2. Step 2: Convert to fraction form
    370,152.68/555,450.22 = 340,037.69/x
  3. Step 3: Cross multiply
    370,152.68x = 555,450.22 × 340,037.69
  4. Step 4: Simplify right side
    370,152.68x = 188,874,009,449.53
  5. Step 5: Solve for x
    x = 188,874,009,449.53/370,152.68
  6. Step 6: Final answer
    x = 510,259.74

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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.