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Finding the Fourth Proportional to 369,145.60, 553,977.60 and 158,934.40

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Solution

The fourth proportional to 369,145.60, 553,977.60 and 158,934.40 is: 238,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,145.60 : 553,977.60 = 158,934.40 : x
  2. Step 2: Convert to fraction form
    369,145.60/553,977.60 = 158,934.40/x
  3. Step 3: Cross multiply
    369,145.60x = 553,977.60 × 158,934.40
  4. Step 4: Simplify right side
    369,145.60x = 88,046,097,469.44
  5. Step 5: Solve for x
    x = 88,046,097,469.44/369,145.60
  6. Step 6: Final answer
    x = 238,513.20

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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.