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Finding the Fourth Proportional to 369,000.80, 553,515.75 and 102,784.58

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Solution

The fourth proportional to 369,000.80, 553,515.75 and 102,784.58 is: 154,180.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,000.80 : 553,515.75 = 102,784.58 : x
  2. Step 2: Convert to fraction form
    369,000.80/553,515.75 = 102,784.58/x
  3. Step 3: Cross multiply
    369,000.80x = 553,515.75 × 102,784.58
  4. Step 4: Simplify right side
    369,000.80x = 56,892,883,887.14
  5. Step 5: Solve for x
    x = 56,892,883,887.14/369,000.80
  6. Step 6: Final answer
    x = 154,180.92

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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.