Home / 274,730.90-379,117.41-153,870.26

Finding the Fourth Proportional to 274,730.90, 379,117.41 and 153,870.26

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Solution

The fourth proportional to 274,730.90, 379,117.41 and 153,870.26 is: 212,334.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,730.90 : 379,117.41 = 153,870.26 : x
  2. Step 2: Convert to fraction form
    274,730.90/379,117.41 = 153,870.26/x
  3. Step 3: Cross multiply
    274,730.90x = 379,117.41 × 153,870.26
  4. Step 4: Simplify right side
    274,730.90x = 58,334,894,447.23
  5. Step 5: Solve for x
    x = 58,334,894,447.23/274,730.90
  6. Step 6: Final answer
    x = 212,334.67

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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.