Home / 289,150.47-433,712.60-75,913.35

Finding the Fourth Proportional to 289,150.47, 433,712.60 and 75,913.35

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Solution

The fourth proportional to 289,150.47, 433,712.60 and 75,913.35 is: 113,866.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,150.47 : 433,712.60 = 75,913.35 : x
  2. Step 2: Convert to fraction form
    289,150.47/433,712.60 = 75,913.35/x
  3. Step 3: Cross multiply
    289,150.47x = 433,712.60 × 75,913.35
  4. Step 4: Simplify right side
    289,150.47x = 32,924,577,094.84
  5. Step 5: Solve for x
    x = 32,924,577,094.84/289,150.47
  6. Step 6: Final answer
    x = 113,866.59

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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.