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Finding the Fourth Proportional to 359,312.40, 538,925.40 and 148,928.40

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Solution

The fourth proportional to 359,312.40, 538,925.40 and 148,928.40 is: 223,374.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,312.40 : 538,925.40 = 148,928.40 : x
  2. Step 2: Convert to fraction form
    359,312.40/538,925.40 = 148,928.40/x
  3. Step 3: Cross multiply
    359,312.40x = 538,925.40 × 148,928.40
  4. Step 4: Simplify right side
    359,312.40x = 80,261,297,541.36
  5. Step 5: Solve for x
    x = 80,261,297,541.36/359,312.40
  6. Step 6: Final answer
    x = 223,374.69

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