Home / 318,332.34-439,298.84-175,103.28

Finding the Fourth Proportional to 318,332.34, 439,298.84 and 175,103.28

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Solution

The fourth proportional to 318,332.34, 439,298.84 and 175,103.28 is: 241,642.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,332.34 : 439,298.84 = 175,103.28 : x
  2. Step 2: Convert to fraction form
    318,332.34/439,298.84 = 175,103.28/x
  3. Step 3: Cross multiply
    318,332.34x = 439,298.84 × 175,103.28
  4. Step 4: Simplify right side
    318,332.34x = 76,922,667,784.20
  5. Step 5: Solve for x
    x = 76,922,667,784.20/318,332.34
  6. Step 6: Final answer
    x = 241,642.64

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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.