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Finding the Fourth Proportional to 470,725.60, 706,088.40 and 155,106.40

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Solution

The fourth proportional to 470,725.60, 706,088.40 and 155,106.40 is: 232,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,725.60 : 706,088.40 = 155,106.40 : x
  2. Step 2: Convert to fraction form
    470,725.60/706,088.40 = 155,106.40/x
  3. Step 3: Cross multiply
    470,725.60x = 706,088.40 × 155,106.40
  4. Step 4: Simplify right side
    470,725.60x = 109,518,829,805.76
  5. Step 5: Solve for x
    x = 109,518,829,805.76/470,725.60
  6. Step 6: Final answer
    x = 232,659.60

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