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Finding the Fourth Proportional to 279,688.95, 385,970.22 and 152,364.51

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Solution

The fourth proportional to 279,688.95, 385,970.22 and 152,364.51 is: 210,262.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,688.95 : 385,970.22 = 152,364.51 : x
  2. Step 2: Convert to fraction form
    279,688.95/385,970.22 = 152,364.51/x
  3. Step 3: Cross multiply
    279,688.95x = 385,970.22 × 152,364.51
  4. Step 4: Simplify right side
    279,688.95x = 58,808,163,444.89
  5. Step 5: Solve for x
    x = 58,808,163,444.89/279,688.95
  6. Step 6: Final answer
    x = 210,262.73

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