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Finding the Fourth Proportional to 377,359.76, 520,995.48 and 234,271.64

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Solution

The fourth proportional to 377,359.76, 520,995.48 and 234,271.64 is: 323,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,359.76 : 520,995.48 = 234,271.64 : x
  2. Step 2: Convert to fraction form
    377,359.76/520,995.48 = 234,271.64/x
  3. Step 3: Cross multiply
    377,359.76x = 520,995.48 × 234,271.64
  4. Step 4: Simplify right side
    377,359.76x = 122,054,465,532.19
  5. Step 5: Solve for x
    x = 122,054,465,532.19/377,359.76
  6. Step 6: Final answer
    x = 323,443.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.