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Finding the Fourth Proportional to 358,487.40, 537,731.10 and 148,535.40

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Solution

The fourth proportional to 358,487.40, 537,731.10 and 148,535.40 is: 222,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,487.40 : 537,731.10 = 148,535.40 : x
  2. Step 2: Convert to fraction form
    358,487.40/537,731.10 = 148,535.40/x
  3. Step 3: Cross multiply
    358,487.40x = 537,731.10 × 148,535.40
  4. Step 4: Simplify right side
    358,487.40x = 79,872,104,030.94
  5. Step 5: Solve for x
    x = 79,872,104,030.94/358,487.40
  6. Step 6: Final answer
    x = 222,803.10

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