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Finding the Fourth Proportional to 357,405.18, 535,291.29 and 170,547.90

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Solution

The fourth proportional to 357,405.18, 535,291.29 and 170,547.90 is: 255,432.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,405.18 : 535,291.29 = 170,547.90 : x
  2. Step 2: Convert to fraction form
    357,405.18/535,291.29 = 170,547.90/x
  3. Step 3: Cross multiply
    357,405.18x = 535,291.29 × 170,547.90
  4. Step 4: Simplify right side
    357,405.18x = 91,292,805,397.79
  5. Step 5: Solve for x
    x = 91,292,805,397.79/357,405.18
  6. Step 6: Final answer
    x = 255,432.24

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