Home / 380,127.02-524,634.18-216,783.87

Finding the Fourth Proportional to 380,127.02, 524,634.18 and 216,783.87

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Solution

The fourth proportional to 380,127.02, 524,634.18 and 216,783.87 is: 299,195.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,127.02 : 524,634.18 = 216,783.87 : x
  2. Step 2: Convert to fraction form
    380,127.02/524,634.18 = 216,783.87/x
  3. Step 3: Cross multiply
    380,127.02x = 524,634.18 × 216,783.87
  4. Step 4: Simplify right side
    380,127.02x = 113,732,227,874.68
  5. Step 5: Solve for x
    x = 113,732,227,874.68/380,127.02
  6. Step 6: Final answer
    x = 299,195.33

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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.