Home / 380,114.28-524,555.46-218,909.16

Finding the Fourth Proportional to 380,114.28, 524,555.46 and 218,909.16

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Solution

The fourth proportional to 380,114.28, 524,555.46 and 218,909.16 is: 302,093.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,114.28 : 524,555.46 = 218,909.16 : x
  2. Step 2: Convert to fraction form
    380,114.28/524,555.46 = 218,909.16/x
  3. Step 3: Cross multiply
    380,114.28x = 524,555.46 × 218,909.16
  4. Step 4: Simplify right side
    380,114.28x = 114,829,995,122.01
  5. Step 5: Solve for x
    x = 114,829,995,122.01/380,114.28
  6. Step 6: Final answer
    x = 302,093.35

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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.