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Finding the Fourth Proportional to 346,748.40, 520,122.60 and 97,430.40

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Solution

The fourth proportional to 346,748.40, 520,122.60 and 97,430.40 is: 146,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,748.40 : 520,122.60 = 97,430.40 : x
  2. Step 2: Convert to fraction form
    346,748.40/520,122.60 = 97,430.40/x
  3. Step 3: Cross multiply
    346,748.40x = 520,122.60 × 97,430.40
  4. Step 4: Simplify right side
    346,748.40x = 50,675,752,967.04
  5. Step 5: Solve for x
    x = 50,675,752,967.04/346,748.40
  6. Step 6: Final answer
    x = 146,145.60

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