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Finding the Fourth Proportional to 346,743.40, 520,115.10 and 97,425.40

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Solution

The fourth proportional to 346,743.40, 520,115.10 and 97,425.40 is: 146,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,743.40 : 520,115.10 = 97,425.40 : x
  2. Step 2: Convert to fraction form
    346,743.40/520,115.10 = 97,425.40/x
  3. Step 3: Cross multiply
    346,743.40x = 520,115.10 × 97,425.40
  4. Step 4: Simplify right side
    346,743.40x = 50,672,421,663.54
  5. Step 5: Solve for x
    x = 50,672,421,663.54/346,743.40
  6. Step 6: Final answer
    x = 146,138.10

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