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Finding the Fourth Proportional to 369,600.20, 553,622.70 and 307,392.20

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Solution

The fourth proportional to 369,600.20, 553,622.70 and 307,392.20 is: 460,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,600.20 : 553,622.70 = 307,392.20 : x
  2. Step 2: Convert to fraction form
    369,600.20/553,622.70 = 307,392.20/x
  3. Step 3: Cross multiply
    369,600.20x = 553,622.70 × 307,392.20
  4. Step 4: Simplify right side
    369,600.20x = 170,179,299,722.94
  5. Step 5: Solve for x
    x = 170,179,299,722.94/369,600.20
  6. Step 6: Final answer
    x = 460,441.58

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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.