Home / 274,948.32-379,460.16-154,122.24

Finding the Fourth Proportional to 274,948.32, 379,460.16 and 154,122.24

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Solution

The fourth proportional to 274,948.32, 379,460.16 and 154,122.24 is: 212,706.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,948.32 : 379,460.16 = 154,122.24 : x
  2. Step 2: Convert to fraction form
    274,948.32/379,460.16 = 154,122.24/x
  3. Step 3: Cross multiply
    274,948.32x = 379,460.16 × 154,122.24
  4. Step 4: Simplify right side
    274,948.32x = 58,483,249,849.96
  5. Step 5: Solve for x
    x = 58,483,249,849.96/274,948.32
  6. Step 6: Final answer
    x = 212,706.34

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1.5x scale

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.