Home / 380,116.28-524,558.22-218,911.16

Finding the Fourth Proportional to 380,116.28, 524,558.22 and 218,911.16

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Solution

The fourth proportional to 380,116.28, 524,558.22 and 218,911.16 is: 302,096.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,116.28 : 524,558.22 = 218,911.16 : x
  2. Step 2: Convert to fraction form
    380,116.28/524,558.22 = 218,911.16/x
  3. Step 3: Cross multiply
    380,116.28x = 524,558.22 × 218,911.16
  4. Step 4: Simplify right side
    380,116.28x = 114,831,648,427.74
  5. Step 5: Solve for x
    x = 114,831,648,427.74/380,116.28
  6. Step 6: Final answer
    x = 302,096.11

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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.