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Finding the Fourth Proportional to 340,011.68, 510,075.86 and 103,378.28

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Solution

The fourth proportional to 340,011.68, 510,075.86 and 103,378.28 is: 155,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,011.68 : 510,075.86 = 103,378.28 : x
  2. Step 2: Convert to fraction form
    340,011.68/510,075.86 = 103,378.28/x
  3. Step 3: Cross multiply
    340,011.68x = 510,075.86 × 103,378.28
  4. Step 4: Simplify right side
    340,011.68x = 52,730,765,076.32
  5. Step 5: Solve for x
    x = 52,730,765,076.32/340,011.68
  6. Step 6: Final answer
    x = 155,085.16

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