Home / 264,148.20-395,930.70-145,904.40

Finding the Fourth Proportional to 264,148.20, 395,930.70 and 145,904.40

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Solution

The fourth proportional to 264,148.20, 395,930.70 and 145,904.40 is: 218,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,148.20 : 395,930.70 = 145,904.40 : x
  2. Step 2: Convert to fraction form
    264,148.20/395,930.70 = 145,904.40/x
  3. Step 3: Cross multiply
    264,148.20x = 395,930.70 × 145,904.40
  4. Step 4: Simplify right side
    264,148.20x = 57,768,031,225.08
  5. Step 5: Solve for x
    x = 57,768,031,225.08/264,148.20
  6. Step 6: Final answer
    x = 218,695.53

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1.5x scale

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.