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Finding the Fourth Proportional to 326,050.40, 489,075.60 and 115,709.60

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Solution

The fourth proportional to 326,050.40, 489,075.60 and 115,709.60 is: 173,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,050.40 : 489,075.60 = 115,709.60 : x
  2. Step 2: Convert to fraction form
    326,050.40/489,075.60 = 115,709.60/x
  3. Step 3: Cross multiply
    326,050.40x = 489,075.60 × 115,709.60
  4. Step 4: Simplify right side
    326,050.40x = 56,590,742,045.76
  5. Step 5: Solve for x
    x = 56,590,742,045.76/326,050.40
  6. Step 6: Final answer
    x = 173,564.40

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