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Finding the Fourth Proportional to 402,328, 603,521.04 and 121,867.04

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Solution

The fourth proportional to 402,328, 603,521.04 and 121,867.04 is: 182,809.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,328 : 603,521.04 = 121,867.04 : x
  2. Step 2: Convert to fraction form
    402,328/603,521.04 = 121,867.04/x
  3. Step 3: Cross multiply
    402,328x = 603,521.04 × 121,867.04
  4. Step 4: Simplify right side
    402,328x = 73,549,322,722.52
  5. Step 5: Solve for x
    x = 73,549,322,722.52/402,328
  6. Step 6: Final answer
    x = 182,809.36

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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.