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Finding the Fourth Proportional to 247,315.60, 370,973.40 and 158,742.10

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Solution

The fourth proportional to 247,315.60, 370,973.40 and 158,742.10 is: 238,113.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,315.60 : 370,973.40 = 158,742.10 : x
  2. Step 2: Convert to fraction form
    247,315.60/370,973.40 = 158,742.10/x
  3. Step 3: Cross multiply
    247,315.60x = 370,973.40 × 158,742.10
  4. Step 4: Simplify right side
    247,315.60x = 58,889,096,560.14
  5. Step 5: Solve for x
    x = 58,889,096,560.14/247,315.60
  6. Step 6: Final answer
    x = 238,113.15

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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.