Home / 279,583.67-385,829.58-152,258.96

Finding the Fourth Proportional to 279,583.67, 385,829.58 and 152,258.96

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Solution

The fourth proportional to 279,583.67, 385,829.58 and 152,258.96 is: 210,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,583.67 : 385,829.58 = 152,258.96 : x
  2. Step 2: Convert to fraction form
    279,583.67/385,829.58 = 152,258.96/x
  3. Step 3: Cross multiply
    279,583.67x = 385,829.58 × 152,258.96
  4. Step 4: Simplify right side
    279,583.67x = 58,746,008,658.89
  5. Step 5: Solve for x
    x = 58,746,008,658.89/279,583.67
  6. Step 6: Final answer
    x = 210,119.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.