Home / 340,552.05-510,040.72-328,742.25

Finding the Fourth Proportional to 340,552.05, 510,040.72 and 328,742.25

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Solution

The fourth proportional to 340,552.05, 510,040.72 and 328,742.25 is: 492,353.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,552.05 : 510,040.72 = 328,742.25 : x
  2. Step 2: Convert to fraction form
    340,552.05/510,040.72 = 328,742.25/x
  3. Step 3: Cross multiply
    340,552.05x = 510,040.72 × 328,742.25
  4. Step 4: Simplify right side
    340,552.05x = 167,671,933,884.42
  5. Step 5: Solve for x
    x = 167,671,933,884.42/340,552.05
  6. Step 6: Final answer
    x = 492,353.32

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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.