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Finding the Fourth Proportional to 346,742.40, 520,113.60 and 97,424.40

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Solution

The fourth proportional to 346,742.40, 520,113.60 and 97,424.40 is: 146,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,742.40 : 520,113.60 = 97,424.40 : x
  2. Step 2: Convert to fraction form
    346,742.40/520,113.60 = 97,424.40/x
  3. Step 3: Cross multiply
    346,742.40x = 520,113.60 × 97,424.40
  4. Step 4: Simplify right side
    346,742.40x = 50,671,755,411.84
  5. Step 5: Solve for x
    x = 50,671,755,411.84/346,742.40
  6. Step 6: Final answer
    x = 146,136.60

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