Home / 245,215.27-367,820.56-145,303.55

Finding the Fourth Proportional to 245,215.27, 367,820.56 and 145,303.55

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Solution

The fourth proportional to 245,215.27, 367,820.56 and 145,303.55 is: 217,953.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,215.27 : 367,820.56 = 145,303.55 : x
  2. Step 2: Convert to fraction form
    245,215.27/367,820.56 = 145,303.55/x
  3. Step 3: Cross multiply
    245,215.27x = 367,820.56 × 145,303.55
  4. Step 4: Simplify right side
    245,215.27x = 53,445,633,130.99
  5. Step 5: Solve for x
    x = 53,445,633,130.99/245,215.27
  6. Step 6: Final answer
    x = 217,953.94

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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.