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Finding the Fourth Proportional to 239,017.76, 358,443.04 and 70,493.34

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Solution

The fourth proportional to 239,017.76, 358,443.04 and 70,493.34 is: 105,715.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,017.76 : 358,443.04 = 70,493.34 : x
  2. Step 2: Convert to fraction form
    239,017.76/358,443.04 = 70,493.34/x
  3. Step 3: Cross multiply
    239,017.76x = 358,443.04 × 70,493.34
  4. Step 4: Simplify right side
    239,017.76x = 25,267,847,089.35
  5. Step 5: Solve for x
    x = 25,267,847,089.35/239,017.76
  6. Step 6: Final answer
    x = 105,715.35

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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.