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Finding the Fourth Proportional to 380,124.52, 570,395.58 and 193,152.04

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Solution

The fourth proportional to 380,124.52, 570,395.58 and 193,152.04 is: 289,834.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,124.52 : 570,395.58 = 193,152.04 : x
  2. Step 2: Convert to fraction form
    380,124.52/570,395.58 = 193,152.04/x
  3. Step 3: Cross multiply
    380,124.52x = 570,395.58 × 193,152.04
  4. Step 4: Simplify right side
    380,124.52x = 110,173,069,883.98
  5. Step 5: Solve for x
    x = 110,173,069,883.98/380,124.52
  6. Step 6: Final answer
    x = 289,834.16

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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.