Home / 268,901.78-371,070.36-148,019.45

Finding the Fourth Proportional to 268,901.78, 371,070.36 and 148,019.45

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Solution

The fourth proportional to 268,901.78, 371,070.36 and 148,019.45 is: 204,259.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,901.78 : 371,070.36 = 148,019.45 : x
  2. Step 2: Convert to fraction form
    268,901.78/371,070.36 = 148,019.45/x
  3. Step 3: Cross multiply
    268,901.78x = 371,070.36 × 148,019.45
  4. Step 4: Simplify right side
    268,901.78x = 54,925,630,598.50
  5. Step 5: Solve for x
    x = 54,925,630,598.50/268,901.78
  6. Step 6: Final answer
    x = 204,259.09

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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.