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Finding the Fourth Proportional to 522,817.03, 784,225.41 and 148,840.03

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Solution

The fourth proportional to 522,817.03, 784,225.41 and 148,840.03 is: 223,260.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,817.03 : 784,225.41 = 148,840.03 : x
  2. Step 2: Convert to fraction form
    522,817.03/784,225.41 = 148,840.03/x
  3. Step 3: Cross multiply
    522,817.03x = 784,225.41 × 148,840.03
  4. Step 4: Simplify right side
    522,817.03x = 116,724,133,551.16
  5. Step 5: Solve for x
    x = 116,724,133,551.16/522,817.03
  6. Step 6: Final answer
    x = 223,260.01

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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.