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Finding the Fourth Proportional to 386,376.89, 579,499.72 and 102,070.53

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Solution

The fourth proportional to 386,376.89, 579,499.72 and 102,070.53 is: 153,088.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,376.89 : 579,499.72 = 102,070.53 : x
  2. Step 2: Convert to fraction form
    386,376.89/579,499.72 = 102,070.53/x
  3. Step 3: Cross multiply
    386,376.89x = 579,499.72 × 102,070.53
  4. Step 4: Simplify right side
    386,376.89x = 59,149,843,300.08
  5. Step 5: Solve for x
    x = 59,149,843,300.08/386,376.89
  6. Step 6: Final answer
    x = 153,088.46

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