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Finding the Fourth Proportional to 239,967.16, 360,017.49 and 105,007.18

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Solution

The fourth proportional to 239,967.16, 360,017.49 and 105,007.18 is: 157,539.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,967.16 : 360,017.49 = 105,007.18 : x
  2. Step 2: Convert to fraction form
    239,967.16/360,017.49 = 105,007.18/x
  3. Step 3: Cross multiply
    239,967.16x = 360,017.49 × 105,007.18
  4. Step 4: Simplify right side
    239,967.16x = 37,804,421,375.58
  5. Step 5: Solve for x
    x = 37,804,421,375.58/239,967.16
  6. Step 6: Final answer
    x = 157,539.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.