Home / 272,762.30-376,385-151,914.83

Finding the Fourth Proportional to 272,762.30, 376,385 and 151,914.83

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Solution

The fourth proportional to 272,762.30, 376,385 and 151,914.83 is: 209,627.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,762.30 : 376,385 = 151,914.83 : x
  2. Step 2: Convert to fraction form
    272,762.30/376,385 = 151,914.83/x
  3. Step 3: Cross multiply
    272,762.30x = 376,385 × 151,914.83
  4. Step 4: Simplify right side
    272,762.30x = 57,178,463,289.55
  5. Step 5: Solve for x
    x = 57,178,463,289.55/272,762.30
  6. Step 6: Final answer
    x = 209,627.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.